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This is the 4.14.178 stable release

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Merge tag 'v4.14.178' into v4.14/base

This is the 4.14.178 stable release
This commit is contained in:
Bruce Ashfield 2020-05-28 14:36:48 -04:00
commit dba5a0b84f
121 changed files with 1044 additions and 482 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Makefile
View File

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 14
SUBLEVEL = 177
SUBLEVEL = 178
EXTRAVERSION =
NAME = Petit Gorille

1
arch/arm/boot/dts/bcm283x.dtsi
View File

@ -454,6 +454,7 @@
"dsi0_ddr2",
"dsi0_ddr";
status = "disabled";
};
thermal: thermal@7e212000 {

2
arch/arm/mach-imx/Makefile
View File

@ -87,8 +87,10 @@ AFLAGS_suspend-imx6.o :=-Wa,-march=armv7-a
obj-$(CONFIG_SOC_IMX6) += suspend-imx6.o
obj-$(CONFIG_SOC_IMX53) += suspend-imx53.o
endif
ifeq ($(CONFIG_ARM_CPU_SUSPEND),y)
AFLAGS_resume-imx6.o :=-Wa,-march=armv7-a
obj-$(CONFIG_SOC_IMX6) += resume-imx6.o
endif
obj-$(CONFIG_SOC_IMX6) += pm-imx6.o
obj-$(CONFIG_SOC_IMX1) += mach-imx1.o

4
arch/arm64/include/asm/sysreg.h
View File

@ -60,7 +60,9 @@
#ifndef CONFIG_BROKEN_GAS_INST
#ifdef __ASSEMBLY__
#define __emit_inst(x) .inst (x)
// The space separator is omitted so that __emit_inst(x) can be parsed as
// either an assembler directive or an assembler macro argument.
#define __emit_inst(x) .inst(x)
#else
#define __emit_inst(x) ".inst " __stringify((x)) "\n\t"
#endif

2
arch/powerpc/kernel/setup_64.c
View File

@ -466,6 +466,8 @@ static bool __init parse_cache_info(struct device_node *np,
lsizep = of_get_property(np, propnames[3], NULL);
if (bsizep == NULL)
bsizep = lsizep;
if (lsizep == NULL)
lsizep = bsizep;
if (lsizep != NULL)
lsize = be32_to_cpu(*lsizep);
if (bsizep != NULL)

4
arch/x86/kernel/cpu/mshyperv.c
View File

@ -178,8 +178,8 @@ static void __init ms_hyperv_init_platform(void)
ms_hyperv.misc_features = cpuid_edx(HYPERV_CPUID_FEATURES);
ms_hyperv.hints = cpuid_eax(HYPERV_CPUID_ENLIGHTMENT_INFO);
pr_info("Hyper-V: features 0x%x, hints 0x%x\n",
ms_hyperv.features, ms_hyperv.hints);
pr_info("Hyper-V: features 0x%x, hints 0x%x, misc 0x%x\n",
ms_hyperv.features, ms_hyperv.hints, ms_hyperv.misc_features);
ms_hyperv.max_vp_index = cpuid_eax(HVCPUID_IMPLEMENTATION_LIMITS);
ms_hyperv.max_lp_index = cpuid_ebx(HVCPUID_IMPLEMENTATION_LIMITS);

2
arch/x86/kvm/vmx.c
View File

@ -6250,7 +6250,7 @@ static int handle_rmode_exception(struct kvm_vcpu *vcpu,
*/
static void kvm_machine_check(void)
{
#if defined(CONFIG_X86_MCE) && defined(CONFIG_X86_64)
#if defined(CONFIG_X86_MCE)
struct pt_regs regs = {
.cs = 3, /* Fake ring 3 no matter what the guest ran on */
.flags = X86_EFLAGS_IF,

18
arch/x86/net/bpf_jit_comp.c
View File

@ -153,6 +153,19 @@ static bool is_ereg(u32 reg)
BIT(BPF_REG_AX));
}
/*
* is_ereg_8l() == true if BPF register 'reg' is mapped to access x86-64
* lower 8-bit registers dil,sil,bpl,spl,r8b..r15b, which need extra byte
* of encoding. al,cl,dl,bl have simpler encoding.
*/
static bool is_ereg_8l(u32 reg)
{
return is_ereg(reg) ||
(1 << reg) & (BIT(BPF_REG_1) |
BIT(BPF_REG_2) |
BIT(BPF_REG_FP));
}
/* add modifiers if 'reg' maps to x64 registers r8..r15 */
static u8 add_1mod(u8 byte, u32 reg)
{
@ -770,9 +783,8 @@ st: if (is_imm8(insn->off))
/* STX: *(u8*)(dst_reg + off) = src_reg */
case BPF_STX | BPF_MEM | BPF_B:
/* emit 'mov byte ptr [rax + off], al' */
if (is_ereg(dst_reg) || is_ereg(src_reg) ||
/* have to add extra byte for x86 SIL, DIL regs */
src_reg == BPF_REG_1 || src_reg == BPF_REG_2)
if (is_ereg(dst_reg) || is_ereg_8l(src_reg))
/* Add extra byte for eregs or SIL,DIL,BPL in src_reg */
EMIT2(add_2mod(0x40, dst_reg, src_reg), 0x88);
else
EMIT1(0x88);

8
drivers/android/binder_alloc.c
View File

@ -951,8 +951,8 @@ enum lru_status binder_alloc_free_page(struct list_head *item,
mm = alloc->vma_vm_mm;
if (!mmget_not_zero(mm))
goto err_mmget;
if (!down_write_trylock(&mm->mmap_sem))
goto err_down_write_mmap_sem_failed;
if (!down_read_trylock(&mm->mmap_sem))
goto err_down_read_mmap_sem_failed;
vma = binder_alloc_get_vma(alloc);
list_lru_isolate(lru, item);
@ -967,7 +967,7 @@ enum lru_status binder_alloc_free_page(struct list_head *item,
trace_binder_unmap_user_end(alloc, index);
}
up_write(&mm->mmap_sem);
up_read(&mm->mmap_sem);
mmput(mm);
trace_binder_unmap_kernel_start(alloc, index);
@ -982,7 +982,7 @@ enum lru_status binder_alloc_free_page(struct list_head *item,
mutex_unlock(&alloc->mutex);
return LRU_REMOVED_RETRY;
err_down_write_mmap_sem_failed:
err_down_read_mmap_sem_failed:
mmput_async(mm);
err_mmget:
err_page_already_freed:

136
drivers/char/tpm/tpm_ibmvtpm.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (C) 2012 IBM Corporation
* Copyright (C) 2012-2020 IBM Corporation
*
* Author: Ashley Lai <ashleydlai@gmail.com>
*
@ -140,6 +140,64 @@ static int tpm_ibmvtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count)
return len;
}
/**
* ibmvtpm_crq_send_init - Send a CRQ initialize message
* @ibmvtpm: vtpm device struct
*
* Return:
* 0 on success.
* Non-zero on failure.
*/
static int ibmvtpm_crq_send_init(struct ibmvtpm_dev *ibmvtpm)
{
int rc;
rc = ibmvtpm_send_crq_word(ibmvtpm->vdev, INIT_CRQ_CMD);
if (rc != H_SUCCESS)
dev_err(ibmvtpm->dev,
"%s failed rc=%d\n", __func__, rc);
return rc;
}
/**
* tpm_ibmvtpm_resume - Resume from suspend
*
* @dev: device struct
*
* Return: Always 0.
*/
static int tpm_ibmvtpm_resume(struct device *dev)
{
struct tpm_chip *chip = dev_get_drvdata(dev);
struct ibmvtpm_dev *ibmvtpm = dev_get_drvdata(&chip->dev);
int rc = 0;
do {
if (rc)
msleep(100);
rc = plpar_hcall_norets(H_ENABLE_CRQ,
ibmvtpm->vdev->unit_address);
} while (rc == H_IN_PROGRESS || rc == H_BUSY || H_IS_LONG_BUSY(rc));
if (rc) {
dev_err(dev, "Error enabling ibmvtpm rc=%d\n", rc);
return rc;
}
rc = vio_enable_interrupts(ibmvtpm->vdev);
if (rc) {
dev_err(dev, "Error vio_enable_interrupts rc=%d\n", rc);
return rc;
}
rc = ibmvtpm_crq_send_init(ibmvtpm);
if (rc)
dev_err(dev, "Error send_init rc=%d\n", rc);
return rc;
}
/**
* tpm_ibmvtpm_send() - Send a TPM command
* @chip: tpm chip struct
@ -153,6 +211,7 @@ static int tpm_ibmvtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count)
static int tpm_ibmvtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
{
struct ibmvtpm_dev *ibmvtpm = dev_get_drvdata(&chip->dev);
bool retry = true;
int rc, sig;
if (!ibmvtpm->rtce_buf) {
@ -186,18 +245,27 @@ static int tpm_ibmvtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
*/
ibmvtpm->tpm_processing_cmd = true;
again:
rc = ibmvtpm_send_crq(ibmvtpm->vdev,
IBMVTPM_VALID_CMD, VTPM_TPM_COMMAND,
count, ibmvtpm->rtce_dma_handle);
if (rc != H_SUCCESS) {
/*
* H_CLOSED can be returned after LPM resume. Call
* tpm_ibmvtpm_resume() to re-enable the CRQ then retry
* ibmvtpm_send_crq() once before failing.
*/
if (rc == H_CLOSED && retry) {
tpm_ibmvtpm_resume(ibmvtpm->dev);
retry = false;
goto again;
}
dev_err(ibmvtpm->dev, "tpm_ibmvtpm_send failed rc=%d\n", rc);
rc = 0;
ibmvtpm->tpm_processing_cmd = false;
} else
rc = 0;
}
spin_unlock(&ibmvtpm->rtce_lock);
return rc;
return 0;
}
static void tpm_ibmvtpm_cancel(struct tpm_chip *chip)
@ -275,26 +343,6 @@ static int ibmvtpm_crq_send_init_complete(struct ibmvtpm_dev *ibmvtpm)
return rc;
}
/**
* ibmvtpm_crq_send_init - Send a CRQ initialize message
* @ibmvtpm: vtpm device struct
*
* Return:
* 0 on success.
* Non-zero on failure.
*/
static int ibmvtpm_crq_send_init(struct ibmvtpm_dev *ibmvtpm)
{
int rc;
rc = ibmvtpm_send_crq_word(ibmvtpm->vdev, INIT_CRQ_CMD);
if (rc != H_SUCCESS)
dev_err(ibmvtpm->dev,
"ibmvtpm_crq_send_init failed rc=%d\n", rc);
return rc;
}
/**
* tpm_ibmvtpm_remove - ibm vtpm remove entry point
* @vdev: vio device struct
@ -407,44 +455,6 @@ static int ibmvtpm_reset_crq(struct ibmvtpm_dev *ibmvtpm)
ibmvtpm->crq_dma_handle, CRQ_RES_BUF_SIZE);
}
/**
* tpm_ibmvtpm_resume - Resume from suspend
*
* @dev: device struct
*
* Return: Always 0.
*/
static int tpm_ibmvtpm_resume(struct device *dev)
{
struct tpm_chip *chip = dev_get_drvdata(dev);
struct ibmvtpm_dev *ibmvtpm = dev_get_drvdata(&chip->dev);
int rc = 0;
do {
if (rc)
msleep(100);
rc = plpar_hcall_norets(H_ENABLE_CRQ,
ibmvtpm->vdev->unit_address);
} while (rc == H_IN_PROGRESS || rc == H_BUSY || H_IS_LONG_BUSY(rc));
if (rc) {
dev_err(dev, "Error enabling ibmvtpm rc=%d\n", rc);
return rc;
}
rc = vio_enable_interrupts(ibmvtpm->vdev);
if (rc) {
dev_err(dev, "Error vio_enable_interrupts rc=%d\n", rc);
return rc;
}
rc = ibmvtpm_crq_send_init(ibmvtpm);
if (rc)
dev_err(dev, "Error send_init rc=%d\n", rc);
return rc;
}
static bool tpm_ibmvtpm_req_canceled(struct tpm_chip *chip, u8 status)
{
return (status == 0);

8
drivers/char/tpm/tpm_tis_core.c
View File

@ -331,6 +331,9 @@ static void disable_interrupts(struct tpm_chip *chip)
u32 intmask;
int rc;
if (priv->irq == 0)
return;
rc = tpm_tis_read32(priv, TPM_INT_ENABLE(priv->locality), &intmask);
if (rc < 0)
intmask = 0;
@ -874,9 +877,12 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq,
if (irq) {
tpm_tis_probe_irq_single(chip, intmask, IRQF_SHARED,
irq);
if (!(chip->flags & TPM_CHIP_FLAG_IRQ))
if (!(chip->flags & TPM_CHIP_FLAG_IRQ)) {
dev_err(&chip->dev, FW_BUG
"TPM interrupt not working, polling instead\n");
disable_interrupts(chip);
}
} else {
tpm_tis_probe_irq(chip, intmask);
}

4
drivers/crypto/mxs-dcp.c
View File

@ -37,11 +37,11 @@
* Null hashes to align with hw behavior on imx6sl and ull
* these are flipped for consistency with hw output
*/
const uint8_t sha1_null_hash[] =
static const uint8_t sha1_null_hash[] =
"\x09\x07\xd8\xaf\x90\x18\x60\x95\xef\xbf"
"\x55\x32\x0d\x4b\x6b\x5e\xee\xa3\x39\xda";
const uint8_t sha256_null_hash[] =
static const uint8_t sha256_null_hash[] =
"\x55\xb8\x52\x78\x1b\x99\x95\xa4"
"\x4c\x93\x9b\x64\xe4\x41\xae\x27"
"\x24\xb9\x6f\x99\xc8\xf4\xfb\x9a"

4
drivers/gpu/drm/msm/msm_gem.c
View File

@ -61,7 +61,7 @@ static void sync_for_device(struct msm_gem_object *msm_obj)
{
struct device *dev = msm_obj->base.dev->dev;
if (get_dma_ops(dev)) {
if (get_dma_ops(dev) && IS_ENABLED(CONFIG_ARM64)) {
dma_sync_sg_for_device(dev, msm_obj->sgt->sgl,
msm_obj->sgt->nents, DMA_BIDIRECTIONAL);
} else {
@ -74,7 +74,7 @@ static void sync_for_cpu(struct msm_gem_object *msm_obj)
{
struct device *dev = msm_obj->base.dev->dev;
if (get_dma_ops(dev)) {
if (get_dma_ops(dev) && IS_ENABLED(CONFIG_ARM64)) {
dma_sync_sg_for_cpu(dev, msm_obj->sgt->sgl,
msm_obj->sgt->nents, DMA_BIDIRECTIONAL);
} else {

2
drivers/hwmon/jc42.c
View File

@ -527,7 +527,7 @@ static int jc42_probe(struct i2c_client *client, const struct i2c_device_id *id)
}
data->config = config;
hwmon_dev = devm_hwmon_device_register_with_info(dev, client->name,
hwmon_dev = devm_hwmon_device_register_with_info(dev, "jc42",
data, &jc42_chip_info,
NULL);
return PTR_ERR_OR_ZERO(hwmon_dev);

9
drivers/i2c/busses/i2c-altera.c
View File

@ -395,7 +395,6 @@ static int altr_i2c_probe(struct platform_device *pdev)
struct altr_i2c_dev *idev = NULL;
struct resource *res;
int irq, ret;
u32 val;
idev = devm_kzalloc(&pdev->dev, sizeof(*idev), GFP_KERNEL);
if (!idev)
@ -422,17 +421,17 @@ static int altr_i2c_probe(struct platform_device *pdev)
init_completion(&idev->msg_complete);
spin_lock_init(&idev->lock);
val = device_property_read_u32(idev->dev, "fifo-size",
ret = device_property_read_u32(idev->dev, "fifo-size",
&idev->fifo_size);
if (val) {
if (ret) {
dev_err(&pdev->dev, "FIFO size set to default of %d\n",
ALTR_I2C_DFLT_FIFO_SZ);
idev->fifo_size = ALTR_I2C_DFLT_FIFO_SZ;
}
val = device_property_read_u32(idev->dev, "clock-frequency",
ret = device_property_read_u32(idev->dev, "clock-frequency",
&idev->bus_clk_rate);
if (val) {
if (ret) {
dev_err(&pdev->dev, "Default to 100kHz\n");
idev->bus_clk_rate = 100000; /* default clock rate */
}

2
drivers/iio/adc/ad7793.c
View File

@ -543,7 +543,7 @@ static const struct iio_info ad7797_info = {
.read_raw = &ad7793_read_raw,
.write_raw = &ad7793_write_raw,
.write_raw_get_fmt = &ad7793_write_raw_get_fmt,
.attrs = &ad7793_attribute_group,
.attrs = &ad7797_attribute_group,
.validate_trigger = ad_sd_validate_trigger,
.driver_module = THIS_MODULE,
};

31
drivers/iio/adc/stm32-adc.c
View File

@ -1311,8 +1311,30 @@ static unsigned int stm32_adc_dma_residue(struct stm32_adc *adc)
static void stm32_adc_dma_buffer_done(void *data)
{
struct iio_dev *indio_dev = data;
struct stm32_adc *adc = iio_priv(indio_dev);
int residue = stm32_adc_dma_residue(adc);
iio_trigger_poll_chained(indio_dev->trig);
/*
* In DMA mode the trigger services of IIO are not used
* (e.g. no call to iio_trigger_poll).
* Calling irq handler associated to the hardware trigger is not
* relevant as the conversions have already been done. Data
* transfers are performed directly in DMA callback instead.
* This implementation avoids to call trigger irq handler that
* may sleep, in an atomic context (DMA irq handler context).
*/
dev_dbg(&indio_dev->dev, "%s bufi=%d\n", __func__, adc->bufi);
while (residue >= indio_dev->scan_bytes) {
u16 *buffer = (u16 *)&adc->rx_buf[adc->bufi];
iio_push_to_buffers(indio_dev, buffer);
residue -= indio_dev->scan_bytes;
adc->bufi += indio_dev->scan_bytes;
if (adc->bufi >= adc->rx_buf_sz)
adc->bufi = 0;
}
}
static int stm32_adc_dma_start(struct iio_dev *indio_dev)
@ -1648,6 +1670,7 @@ static int stm32_adc_probe(struct platform_device *pdev)
{
struct iio_dev *indio_dev;
struct device *dev = &pdev->dev;
irqreturn_t (*handler)(int irq, void *p) = NULL;
struct stm32_adc *adc;
int ret;
@ -1730,9 +1753,11 @@ static int stm32_adc_probe(struct platform_device *pdev)
if (ret < 0)
goto err_clk_disable;
if (!adc->dma_chan)
handler = &stm32_adc_trigger_handler;
ret = iio_triggered_buffer_setup(indio_dev,
&iio_pollfunc_store_time,
&stm32_adc_trigger_handler,
&iio_pollfunc_store_time, handler,
&stm32_adc_buffer_setup_ops);
if (ret) {
dev_err(&pdev->dev, "buffer setup failed\n");

17
drivers/iio/adc/xilinx-xadc-core.c
View File

@ -660,7 +660,7 @@ static int xadc_trigger_set_state(struct iio_trigger *trigger, bool state)
spin_lock_irqsave(&xadc->lock, flags);
xadc_read_reg(xadc, XADC_AXI_REG_IPIER, &val);
xadc_write_reg(xadc, XADC_AXI_REG_IPISR, val & XADC_AXI_INT_EOS);
xadc_write_reg(xadc, XADC_AXI_REG_IPISR, XADC_AXI_INT_EOS);
if (state)
val |= XADC_AXI_INT_EOS;
else
@ -709,13 +709,14 @@ static int xadc_power_adc_b(struct xadc *xadc, unsigned int seq_mode)
{
uint16_t val;
/* Powerdown the ADC-B when it is not needed. */
switch (seq_mode) {
case XADC_CONF1_SEQ_SIMULTANEOUS:
case XADC_CONF1_SEQ_INDEPENDENT:
val = XADC_CONF2_PD_ADC_B;
val = 0;
break;
default:
val = 0;
val = XADC_CONF2_PD_ADC_B;
break;
}
@ -784,6 +785,16 @@ static int xadc_preenable(struct iio_dev *indio_dev)
if (ret)
goto err;
/*
* In simultaneous mode the upper and lower aux channels are samples at
* the same time. In this mode the upper 8 bits in the sequencer
* register are don't care and the lower 8 bits control two channels
* each. As such we must set the bit if either the channel in the lower
* group or the upper group is enabled.
*/
if (seq_mode == XADC_CONF1_SEQ_SIMULTANEOUS)
scan_mask = ((scan_mask >> 8) | scan_mask) & 0xff0000;
ret = xadc_write_adc_reg(xadc, XADC_REG_SEQ(1), scan_mask >> 16);
if (ret)
goto err;

6
drivers/mtd/chips/cfi_cmdset_0002.c
View File

@ -1883,7 +1883,11 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
continue;
}
if (time_after(jiffies, timeo) && !chip_ready(map, adr))
/*
* We check "time_after" and "!chip_good" before checking "chip_good" to avoid
* the failure due to scheduling.
*/
if (time_after(jiffies, timeo) && !chip_good(map, adr, datum))
break;
if (chip_good(map, adr, datum)) {

4
drivers/net/dsa/b53/b53_regs.h
View File

@ -294,7 +294,7 @@
*
* BCM5325 and BCM5365 share most definitions below
*/
#define B53_ARLTBL_MAC_VID_ENTRY(n) (0x10 * (n))
#define B53_ARLTBL_MAC_VID_ENTRY(n) ((0x10 * (n)) + 0x10)
#define ARLTBL_MAC_MASK 0xffffffffffffULL
#define ARLTBL_VID_S 48
#define ARLTBL_VID_MASK_25 0xff
@ -306,7 +306,7 @@
#define ARLTBL_VALID_25 BIT(63)
/* ARL Table Data Entry N Registers (32 bit) */
#define B53_ARLTBL_DATA_ENTRY(n) ((0x10 * (n)) + 0x08)
#define B53_ARLTBL_DATA_ENTRY(n) ((0x10 * (n)) + 0x18)
#define ARLTBL_DATA_PORT_ID_MASK 0x1ff
#define ARLTBL_TC(tc) ((3 & tc) << 11)
#define ARLTBL_AGE BIT(14)

3
drivers/net/ethernet/broadcom/genet/bcmgenet.c
View File

@ -973,6 +973,8 @@ static void bcmgenet_get_ethtool_stats(struct net_device *dev,
if (netif_running(dev))
bcmgenet_update_mib_counters(priv);
dev->netdev_ops->ndo_get_stats(dev);
for (i = 0; i < BCMGENET_STATS_LEN; i++) {
const struct bcmgenet_stats *s;
char *p;
@ -3215,6 +3217,7 @@ static struct net_device_stats *bcmgenet_get_stats(struct net_device *dev)
dev->stats.rx_packets = rx_packets;
dev->stats.rx_errors = rx_errors;
dev->stats.rx_missed_errors = rx_errors;
dev->stats.rx_dropped = rx_dropped;
return &dev->stats;
}

27
drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c
View File

@ -311,32 +311,17 @@ static int cxgb4_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
*/
static int cxgb4_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
{
struct adapter *adapter = (struct adapter *)container_of(ptp,
struct adapter, ptp_clock_info);
struct fw_ptp_cmd c;
struct adapter *adapter = container_of(ptp, struct adapter,
ptp_clock_info);
u64 ns;
int err;
memset(&c, 0, sizeof(c));
c.op_to_portid = cpu_to_be32(FW_CMD_OP_V(FW_PTP_CMD) |
FW_CMD_REQUEST_F |
FW_CMD_READ_F |
FW_PTP_CMD_PORTID_V(0));
c.retval_len16 = cpu_to_be32(FW_CMD_LEN16_V(sizeof(c) / 16));
c.u.ts.sc = FW_PTP_SC_GET_TIME;
err = t4_wr_mbox(adapter, adapter->mbox, &c, sizeof(c), &c);
if (err < 0) {
dev_err(adapter->pdev_dev,
"PTP: %s error %d\n", __func__, -err);
return err;
}
ns = t4_read_reg(adapter, T5_PORT_REG(0, MAC_PORT_PTP_SUM_LO_A));
ns |= (u64)t4_read_reg(adapter,
T5_PORT_REG(0, MAC_PORT_PTP_SUM_HI_A)) << 32;
/* convert to timespec*/
ns = be64_to_cpu(c.u.ts.tm);
*ts = ns_to_timespec64(ns);
return err;
return 0;
}
/**

2
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
View File

@ -3609,7 +3609,7 @@ int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver)
FW_PARAMS_PARAM_Z_V(FW_PARAMS_PARAM_DEV_PHYFW_VERSION));
ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1,
&param, &val);
if (ret < 0)
if (ret)
return ret;
*phy_fw_ver = val;
return 0;

3
drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
View File

@ -1810,6 +1810,9 @@
#define MAC_PORT_CFG2_A 0x818
#define MAC_PORT_PTP_SUM_LO_A 0x990
#define MAC_PORT_PTP_SUM_HI_A 0x994
#define MPS_CMN_CTL_A 0x9000
#define COUNTPAUSEMCRX_S 5

38
drivers/net/ethernet/qlogic/qed/qed_dev.c
View File

@ -3151,26 +3151,20 @@ static void qed_chain_free_single(struct qed_dev *cdev,
static void qed_chain_free_pbl(struct qed_dev *cdev, struct qed_chain *p_chain)
{
void **pp_virt_addr_tbl = p_chain->pbl.pp_virt_addr_tbl;
struct addr_tbl_entry *pp_addr_tbl = p_chain->pbl.pp_addr_tbl;
u32 page_cnt = p_chain->page_cnt, i, pbl_size;
u8 *p_pbl_virt = p_chain->pbl_sp.p_virt_table;
if (!pp_virt_addr_tbl)
if (!pp_addr_tbl)
return;
if (!p_pbl_virt)
goto out;
for (i = 0; i < page_cnt; i++) {
if (!pp_virt_addr_tbl[i])
if (!pp_addr_tbl[i].virt_addr || !pp_addr_tbl[i].dma_map)
break;
dma_free_coherent(&cdev->pdev->dev,
QED_CHAIN_PAGE_SIZE,
pp_virt_addr_tbl[i],
*(dma_addr_t *)p_pbl_virt);
p_pbl_virt += QED_CHAIN_PBL_ENTRY_SIZE;
pp_addr_tbl[i].virt_addr,
pp_addr_tbl[i].dma_map);
}
pbl_size = page_cnt * QED_CHAIN_PBL_ENTRY_SIZE;
@ -3180,9 +3174,9 @@ static void qed_chain_free_pbl(struct qed_dev *cdev, struct qed_chain *p_chain)
pbl_size,
p_chain->pbl_sp.p_virt_table,
p_chain->pbl_sp.p_phys_table);
out:
vfree(p_chain->pbl.pp_virt_addr_tbl);
p_chain->pbl.pp_virt_addr_tbl = NULL;
vfree(p_chain->pbl.pp_addr_tbl);
p_chain->pbl.pp_addr_tbl = NULL;
}
void qed_chain_free(struct qed_dev *cdev, struct qed_chain *p_chain)
@ -3283,19 +3277,19 @@ qed_chain_alloc_pbl(struct qed_dev *cdev,
{
u32 page_cnt = p_chain->page_cnt, size, i;
dma_addr_t p_phys = 0, p_pbl_phys = 0;
void **pp_virt_addr_tbl = NULL;
struct addr_tbl_entry *pp_addr_tbl;
u8 *p_pbl_virt = NULL;
void *p_virt = NULL;
size = page_cnt * sizeof(*pp_virt_addr_tbl);
pp_virt_addr_tbl = vzalloc(size);
if (!pp_virt_addr_tbl)
size = page_cnt * sizeof(*pp_addr_tbl);
pp_addr_tbl = vzalloc(size);
if (!pp_addr_tbl)
return -ENOMEM;
/* The allocation of the PBL table is done with its full size, since it
* is expected to be successive.
* qed_chain_init_pbl_mem() is called even in a case of an allocation
* failure, since pp_virt_addr_tbl was previously allocated, and it
* failure, since tbl was previously allocated, and it
* should be saved to allow its freeing during the error flow.
*/
size = page_cnt * QED_CHAIN_PBL_ENTRY_SIZE;
@ -3309,8 +3303,7 @@ qed_chain_alloc_pbl(struct qed_dev *cdev,
p_chain->b_external_pbl = true;
}
qed_chain_init_pbl_mem(p_chain, p_pbl_virt, p_pbl_phys,
pp_virt_addr_tbl);
qed_chain_init_pbl_mem(p_chain, p_pbl_virt, p_pbl_phys, pp_addr_tbl);
if (!p_pbl_virt)
return -ENOMEM;
@ -3329,7 +3322,8 @@ qed_chain_alloc_pbl(struct qed_dev *cdev,
/* Fill the PBL table with the physical address of the page */
*(dma_addr_t *)p_pbl_virt = p_phys;
/* Keep the virtual address of the page */
p_chain->pbl.pp_virt_addr_tbl[i] = p_virt;
p_chain->pbl.pp_addr_tbl[i].virt_addr = p_virt;
p_chain->pbl.pp_addr_tbl[i].dma_map = p_phys;
p_pbl_virt += QED_CHAIN_PBL_ENTRY_SIZE;
}

14
drivers/net/macsec.c
View File

@ -3209,11 +3209,11 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
struct netlink_ext_ack *extack)
{
struct macsec_dev *macsec = macsec_priv(dev);
struct net_device *real_dev;
int err;
sci_t sci;
u8 icv_len = DEFAULT_ICV_LEN;
rx_handler_func_t *rx_handler;
u8 icv_len = DEFAULT_ICV_LEN;
struct net_device *real_dev;
int err, mtu;
sci_t sci;
if (!tb[IFLA_LINK])
return -EINVAL;
@ -3229,7 +3229,11 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
if (data && data[IFLA_MACSEC_ICV_LEN])
icv_len = nla_get_u8(data[IFLA_MACSEC_ICV_LEN]);
dev->mtu = real_dev->mtu - icv_len - macsec_extra_len(true);
mtu = real_dev->mtu - icv_len - macsec_extra_len(true);
if (mtu < 0)
dev->mtu = 0;
else
dev->mtu = mtu;
rx_handler = rtnl_dereference(real_dev->rx_handler);
if (rx_handler && rx_handler != macsec_handle_frame)

2
drivers/net/macvlan.c
View File

@ -1673,7 +1673,7 @@ static int macvlan_device_event(struct notifier_block *unused,
struct macvlan_dev,
list);
if (macvlan_sync_address(vlan->dev, dev->dev_addr))
if (vlan && macvlan_sync_address(vlan->dev, dev->dev_addr))
return NOTIFY_BAD;
break;

4
drivers/net/team/team.c
View File

@ -480,6 +480,9 @@ static const struct team_mode *team_mode_get(const char *kind)
struct team_mode_item *mitem;
const struct team_mode *mode = NULL;
if (!try_module_get(THIS_MODULE))
return NULL;
spin_lock(&mode_list_lock);
mitem = __find_mode(kind);
if (!mitem) {
@ -495,6 +498,7 @@ static const struct team_mode *team_mode_get(const char *kind)
}
spin_unlock(&mode_list_lock);
module_put(THIS_MODULE);
return mode;
}

6
drivers/net/vrf.c
View File

@ -476,7 +476,8 @@ static struct sk_buff *vrf_ip6_out(struct net_device *vrf_dev,
if (rt6_need_strict(&ipv6_hdr(skb)->daddr))
return skb;
if (qdisc_tx_is_default(vrf_dev))
if (qdisc_tx_is_default(vrf_dev) ||
IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED)
return vrf_ip6_out_direct(vrf_dev, sk, skb);
return vrf_ip6_out_redirect(vrf_dev, skb);
@ -692,7 +693,8 @@ static struct sk_buff *vrf_ip_out(struct net_device *vrf_dev,
ipv4_is_lbcast(ip_hdr(skb)->daddr))
return skb;
if (qdisc_tx_is_default(vrf_dev))
if (qdisc_tx_is_default(vrf_dev) ||
IPCB(skb)->flags & IPSKB_XFRM_TRANSFORMED)
return vrf_ip_out_direct(vrf_dev, sk, skb);
return vrf_ip_out_redirect(vrf_dev, skb);

3
drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
View File

@ -1124,6 +1124,9 @@ void iwl_trans_pcie_dyn_txq_free(struct iwl_trans *trans, int queue)
iwl_pcie_gen2_txq_unmap(trans, queue);
iwl_pcie_gen2_txq_free_memory(trans, trans_pcie->txq[queue]);
trans_pcie->txq[queue] = NULL;
IWL_DEBUG_TX_QUEUES(trans, "Deactivate queue %d\n", queue);
}

18
drivers/pci/pcie/aspm.c
View File

@ -80,6 +80,7 @@ struct pcie_link_state {
u32 clkpm_capable:1; /* Clock PM capable? */
u32 clkpm_enabled:1; /* Current Clock PM state */
u32 clkpm_default:1; /* Default Clock PM state by BIOS */
u32 clkpm_disable:1; /* Clock PM disabled */
/* Exit latencies */
struct aspm_latency latency_up; /* Upstream direction exit latency */
@ -177,8 +178,11 @@ static void pcie_set_clkpm_nocheck(struct pcie_link_state *link, int enable)
static void pcie_set_clkpm(struct pcie_link_state *link, int enable)
{
/* Don't enable Clock PM if the link is not Clock PM capable */
if (!link->clkpm_capable)
/*
* Don't enable Clock PM if the link is not Clock PM capable
* or Clock PM is disabled
*/
if (!link->clkpm_capable || link->clkpm_disable)
enable = 0;
/* Need nothing if the specified equals to current state */
if (link->clkpm_enabled == enable)
@ -208,7 +212,8 @@ static void pcie_clkpm_cap_init(struct pcie_link_state *link, int blacklist)
}
link->clkpm_enabled = enabled;
link->clkpm_default = enabled;
link->clkpm_capable = (blacklist) ? 0 : capable;
link->clkpm_capable = capable;
link->clkpm_disable = blacklist ? 1 : 0;
}
static bool pcie_retrain_link(struct pcie_link_state *link)
@ -1052,10 +1057,9 @@ static void __pci_disable_link_state(struct pci_dev *pdev, int state, bool sem)
link->aspm_disable |= ASPM_STATE_L1;
pcie_config_aspm_link(link, policy_to_aspm_state(link));
if (state & PCIE_LINK_STATE_CLKPM) {
link->clkpm_capable = 0;
pcie_set_clkpm(link, 0);
}
if (state & PCIE_LINK_STATE_CLKPM)
link->clkpm_disable = 1;
pcie_set_clkpm(link, policy_to_clkpm_state(link));
mutex_unlock(&aspm_lock);
if (sem)
up_read(&pci_bus_sem);

1
drivers/pwm/pwm-bcm2835.c
View File

@ -166,6 +166,7 @@ static int bcm2835_pwm_probe(struct platform_device *pdev)
pc->chip.dev = &pdev->dev;
pc->chip.ops = &bcm2835_pwm_ops;
pc->chip.base = -1;
pc->chip.npwm = 2;
pc->chip.of_xlate = of_pwm_xlate_with_flags;
pc->chip.of_pwm_n_cells = 3;

10
drivers/pwm/pwm-rcar.c
View File

@ -236,24 +236,28 @@ static int rcar_pwm_probe(struct platform_device *pdev)
rcar_pwm->chip.base = -1;
rcar_pwm->chip.npwm = 1;
pm_runtime_enable(&pdev->dev);
ret = pwmchip_add(&rcar_pwm->chip);
if (ret < 0) {
dev_err(&pdev->dev, "failed to register PWM chip: %d\n", ret);
pm_runtime_disable(&pdev->dev);
return ret;
}
pm_runtime_enable(&pdev->dev);
return 0;
}
static int rcar_pwm_remove(struct platform_device *pdev)
{
struct rcar_pwm_chip *rcar_pwm = platform_get_drvdata(pdev);
int ret;
ret = pwmchip_remove(&rcar_pwm->chip);
pm_runtime_disable(&pdev->dev);
return pwmchip_remove(&rcar_pwm->chip);
return ret;
}
static const struct of_device_id rcar_pwm_of_table[] = {

9
drivers/pwm/pwm-renesas-tpu.c
View File

@ -423,16 +423,17 @@ static int tpu_probe(struct platform_device *pdev)
tpu->chip.base = -1;
tpu->chip.npwm = TPU_CHANNEL_MAX;
pm_runtime_enable(&pdev->dev);
ret = pwmchip_add(&tpu->chip);
if (ret < 0) {
dev_err(&pdev->dev, "failed to register PWM chip\n");
pm_runtime_disable(&pdev->dev);
return ret;
}
dev_info(&pdev->dev, "TPU PWM %d registered\n", tpu->pdev->id);
pm_runtime_enable(&pdev->dev);
return 0;
}
@ -442,12 +443,10 @@ static int tpu_remove(struct platform_device *pdev)
int ret;
ret = pwmchip_remove(&tpu->chip);
if (ret)
return ret;
pm_runtime_disable(&pdev->dev);
return 0;
return ret;
}
#ifdef CONFIG_OF

2
drivers/remoteproc/remoteproc_core.c
View File

@ -288,7 +288,7 @@ void rproc_free_vring(struct rproc_vring *rvring)
{
int size = PAGE_ALIGN(vring_size(rvring->len, rvring->align));
struct rproc *rproc = rvring->rvdev->rproc;
int idx = rvring->rvdev->vring - rvring;
int idx = rvring - rvring->rvdev->vring;
struct fw_rsc_vdev *rsc;
dma_free_coherent(rproc->dev.parent, size, rvring->va, rvring->dma);

13
drivers/s390/cio/device.c
View File

@ -828,8 +828,10 @@ static void io_subchannel_register(struct ccw_device *cdev)
* Now we know this subchannel will stay, we can throw
* our delayed uevent.
*/
dev_set_uevent_suppress(&sch->dev, 0);
kobject_uevent(&sch->dev.kobj, KOBJ_ADD);
if (dev_get_uevent_suppress(&sch->dev)) {
dev_set_uevent_suppress(&sch->dev, 0);
kobject_uevent(&sch->dev.kobj, KOBJ_ADD);
}
/* make it known to the system */
ret = ccw_device_add(cdev);
if (ret) {
@ -1037,8 +1039,11 @@ static int io_subchannel_probe(struct subchannel *sch)
* Throw the delayed uevent for the subchannel, register
* the ccw_device and exit.
*/
dev_set_uevent_suppress(&sch->dev, 0);
kobject_uevent(&sch->dev.kobj, KOBJ_ADD);
if (dev_get_uevent_suppress(&sch->dev)) {
/* should always be the case for the console */
dev_set_uevent_suppress(&sch->dev, 0);
kobject_uevent(&sch->dev.kobj, KOBJ_ADD);
}
cdev = sch_get_cdev(sch);
rc = ccw_device_add(cdev);
if (rc) {

2
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -2271,6 +2271,8 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
!pmb->u.mb.mbxStatus) {
rpi = pmb->u.mb.un.varWords[0];
vpi = pmb->u.mb.un.varRegLogin.vpi;
if (phba->sli_rev == LPFC_SLI_REV4)
vpi -= phba->sli4_hba.max_cfg_param.vpi_base;
lpfc_unreg_login(phba, vpi, rpi, pmb);
pmb->vport = vport;
pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;

4
drivers/scsi/scsi_transport_iscsi.c
View File

@ -2010,7 +2010,7 @@ static void __iscsi_unbind_session(struct work_struct *work)
if (session->target_id == ISCSI_MAX_TARGET) {
spin_unlock_irqrestore(&session->lock, flags);
mutex_unlock(&ihost->mutex);
return;
goto unbind_session_exit;
}
target_id = session->target_id;
@ -2022,6 +2022,8 @@ static void __iscsi_unbind_session(struct work_struct *work)
ida_simple_remove(&iscsi_sess_ida, target_id);
scsi_remove_target(&session->dev);
unbind_session_exit:
iscsi_session_event(session, ISCSI_KEVENT_UNBIND_SESSION);
ISCSI_DBG_TRANS_SESSION(session, "Completed target removal\n");
}

4
drivers/staging/comedi/comedi_fops.c
View File

@ -2603,8 +2603,10 @@ static int comedi_open(struct inode *inode, struct file *file)
}
cfp = kzalloc(sizeof(*cfp), GFP_KERNEL);
if (!cfp)
if (!cfp) {
comedi_dev_put(dev);
return -ENOMEM;
}
cfp->dev = dev;

3
drivers/staging/comedi/drivers/dt2815.c
View File

@ -101,6 +101,7 @@ static int dt2815_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s,
int ret;
for (i = 0; i < insn->n; i++) {
/* FIXME: lo bit 0 chooses voltage output or current output */
lo = ((data[i] & 0x0f) << 4) | (chan << 1) | 0x01;
hi = (data[i] & 0xff0) >> 4;
@ -114,6 +115,8 @@ static int dt2815_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s,
if (ret)
return ret;
outb(hi, dev->iobase + DT2815_DATA);
devpriv->ao_readback[chan] = data[i];
}
return i;

3
drivers/staging/vt6656/int.c
View File

@ -153,7 +153,8 @@ void vnt_int_process_data(struct vnt_private *priv)
priv->wake_up_count =
priv->hw->conf.listen_interval;
--priv->wake_up_count;
if (priv->wake_up_count)
--priv->wake_up_count;
/* Turn on wake up to listen next beacon */
if (priv->wake_up_count == 1)

14
drivers/staging/vt6656/key.c
View File

@ -91,9 +91,6 @@ static int vnt_set_keymode(struct ieee80211_hw *hw, u8 *mac_addr,
case VNT_KEY_PAIRWISE:
key_mode |= mode;
key_inx = 4;
/* Don't save entry for pairwise key for station mode */
if (priv->op_mode == NL80211_IFTYPE_STATION)
clear_bit(entry, &priv->key_entry_inuse);
break;
default:
return -EINVAL;
@ -117,7 +114,6 @@ static int vnt_set_keymode(struct ieee80211_hw *hw, u8 *mac_addr,
int vnt_set_keys(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
struct ieee80211_vif *vif, struct ieee80211_key_conf *key)
{
struct ieee80211_bss_conf *conf = &vif->bss_conf;
struct vnt_private *priv = hw->priv;
u8 *mac_addr = NULL;
u8 key_dec_mode = 0;
@ -159,16 +155,12 @@ int vnt_set_keys(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
}
if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
vnt_set_keymode(hw, mac_addr, key, VNT_KEY_PAIRWISE,
key_dec_mode, true);
} else {
vnt_set_keymode(hw, mac_addr, key, VNT_KEY_DEFAULTKEY,
else
vnt_set_keymode(hw, mac_addr, key, VNT_KEY_GROUP_ADDRESS,
key_dec_mode, true);
vnt_set_keymode(hw, (u8 *)conf->bssid, key,
VNT_KEY_GROUP_ADDRESS, key_dec_mode, true);
}
return 0;
}

31
drivers/staging/vt6656/main_usb.c
View File

@ -594,8 +594,6 @@ static int vnt_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
priv->op_mode = vif->type;
vnt_set_bss_mode(priv);
/* LED blink on TX */
vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_INTER);
@ -682,7 +680,6 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw,
priv->basic_rates = conf->basic_rates;
vnt_update_top_rates(priv);
vnt_set_bss_mode(priv);
dev_dbg(&priv->usb->dev, "basic rates %x\n", conf->basic_rates);
}
@ -711,11 +708,14 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw,
priv->short_slot_time = false;
vnt_set_short_slot_time(priv);
vnt_update_ifs(priv);
vnt_set_vga_gain_offset(priv, priv->bb_vga[0]);
vnt_update_pre_ed_threshold(priv, false);
}
if (changed & (BSS_CHANGED_BASIC_RATES | BSS_CHANGED_ERP_PREAMBLE |
BSS_CHANGED_ERP_SLOT))
vnt_set_bss_mode(priv);
if (changed & BSS_CHANGED_TXPOWER)
vnt_rf_setpower(priv, priv->current_rate,
conf->chandef.chan->hw_value);
@ -739,12 +739,15 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw,
vnt_mac_reg_bits_on(priv, MAC_REG_TFTCTL,
TFTCTL_TSFCNTREN);
vnt_adjust_tsf(priv, conf->beacon_rate->hw_value,
conf->sync_tsf, priv->current_tsf);
vnt_mac_set_beacon_interval(priv, conf->beacon_int);
vnt_reset_next_tbtt(priv, conf->beacon_int);
vnt_adjust_tsf(priv, conf->beacon_rate->hw_value,
conf->sync_tsf, priv->current_tsf);
vnt_update_next_tbtt(priv,
conf->sync_tsf, conf->beacon_int);
} else {
vnt_clear_current_tsf(priv);
@ -779,15 +782,11 @@ static void vnt_configure(struct ieee80211_hw *hw,
{
struct vnt_private *priv = hw->priv;
u8 rx_mode = 0;
int rc;
*total_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC;
rc = vnt_control_in(priv, MESSAGE_TYPE_READ, MAC_REG_RCR,
MESSAGE_REQUEST_MACREG, sizeof(u8), &rx_mode);
if (!rc)
rx_mode = RCR_MULTICAST | RCR_BROADCAST;
vnt_control_in(priv, MESSAGE_TYPE_READ, MAC_REG_RCR,
MESSAGE_REQUEST_MACREG, sizeof(u8), &rx_mode);
dev_dbg(&priv->usb->dev, "rx mode in = %x\n", rx_mode);
@ -828,8 +827,12 @@ static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
return -EOPNOTSUPP;
break;
case DISABLE_KEY:
if (test_bit(key->hw_key_idx, &priv->key_entry_inuse))
if (test_bit(key->hw_key_idx, &priv->key_entry_inuse)) {
clear_bit(key->hw_key_idx, &priv->key_entry_inuse);
vnt_mac_disable_keyentry(priv, key->hw_key_idx);
}
default:
break;
}

2
drivers/target/target_core_fabric_lib.c
View File

@ -76,7 +76,7 @@ static int fc_get_pr_transport_id(
* encoded TransportID.
*/
ptr = &se_nacl->initiatorname[0];
for (i = 0; i < 24; ) {
for (i = 0; i < 23; ) {
if (!strncmp(&ptr[i], ":", 1)) {
i++;
continue;

23
drivers/tty/hvc/hvc_console.c
View File

@ -288,10 +288,6 @@ int hvc_instantiate(uint32_t vtermno, int index, const struct hv_ops *ops)
vtermnos[index] = vtermno;
cons_ops[index] = ops;
/* reserve all indices up to and including this index */
if (last_hvc < index)
last_hvc = index;
/* check if we need to re-register the kernel console */
hvc_check_console(index);
@ -895,13 +891,22 @@ struct hvc_struct *hvc_alloc(uint32_t vtermno, int data,
cons_ops[i] == hp->ops)
break;
/* no matching slot, just use a counter */
if (i >= MAX_NR_HVC_CONSOLES)
i = ++last_hvc;
if (i >= MAX_NR_HVC_CONSOLES) {
/* find 'empty' slot for console */
for (i = 0; i < MAX_NR_HVC_CONSOLES && vtermnos[i] != -1; i++) {
}
/* no matching slot, just use a counter */
if (i == MAX_NR_HVC_CONSOLES)
i = ++last_hvc + MAX_NR_HVC_CONSOLES;
}
hp->index = i;
cons_ops[i] = ops;
vtermnos[i] = vtermno;
if (i < MAX_NR_HVC_CONSOLES) {
cons_ops[i] = ops;
vtermnos[i] = vtermno;
}
list_add_tail(&(hp->next), &hvc_structs);
spin_unlock(&hvc_structs_lock);

25
drivers/tty/rocket.c
View File

@ -645,18 +645,21 @@ init_r_port(int board, int aiop, int chan, struct pci_dev *pci_dev)
tty_port_init(&info->port);
info->port.ops = &rocket_port_ops;
info->flags &= ~ROCKET_MODE_MASK;
switch (pc104[board][line]) {
case 422:
info->flags |= ROCKET_MODE_RS422;
break;
case 485:
info->flags |= ROCKET_MODE_RS485;
break;
case 232:
default:
if (board < ARRAY_SIZE(pc104) && line < ARRAY_SIZE(pc104_1))
switch (pc104[board][line]) {
case 422:
info->flags |= ROCKET_MODE_RS422;
break;
case 485:
info->flags |= ROCKET_MODE_RS485;
break;
case 232:
default:
info->flags |= ROCKET_MODE_RS232;
break;
}
else
info->flags |= ROCKET_MODE_RS232;
break;
}
info->intmask = RXF_TRIG | TXFIFO_MT | SRC_INT | DELTA_CD | DELTA_CTS | DELTA_DSR;
if (sInitChan(ctlp, &info->channel, aiop, chan) == 0) {

11
drivers/tty/serial/sh-sci.c
View File

@ -841,9 +841,16 @@ static void sci_receive_chars(struct uart_port *port)
tty_insert_flip_char(tport, c, TTY_NORMAL);
} else {
for (i = 0; i < count; i++) {
char c = serial_port_in(port, SCxRDR);
char c;
status = serial_port_in(port, SCxSR);
if (port->type == PORT_SCIF ||
port->type == PORT_HSCIF) {
status = serial_port_in(port, SCxSR);
c = serial_port_in(port, SCxRDR);
} else {
c = serial_port_in(port, SCxRDR);
status = serial_port_in(port, SCxSR);
}
if (uart_handle_sysrq_char(port, c)) {
count--; i--;
continue;

2
drivers/tty/vt/vt.c
View File

@ -880,7 +880,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
if (new_cols == vc->vc_cols && new_rows == vc->vc_rows)
return 0;
if (new_screen_size > (4 << 20))
if (new_screen_size > KMALLOC_MAX_SIZE)
return -EINVAL;
newscreen = kzalloc(new_screen_size, GFP_USER);
if (!newscreen)

36
drivers/usb/class/cdc-acm.c
View File

@ -424,9 +424,12 @@ static void acm_ctrl_irq(struct urb *urb)
exit:
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval && retval != -EPERM)
if (retval && retval != -EPERM && retval != -ENODEV)
dev_err(&acm->control->dev,
"%s - usb_submit_urb failed: %d\n", __func__, retval);
else
dev_vdbg(&acm->control->dev,
"control resubmission terminated %d\n", retval);
}
static int acm_submit_read_urb(struct acm *acm, int index, gfp_t mem_flags)
@ -442,6 +445,8 @@ static int acm_submit_read_urb(struct acm *acm, int index, gfp_t mem_flags)
dev_err(&acm->data->dev,
"urb %d failed submission with %d\n",
index, res);
} else {
dev_vdbg(&acm->data->dev, "intended failure %d\n", res);
}
set_bit(index, &acm->read_urbs_free);
return res;
@ -484,6 +489,7 @@ static void acm_read_bulk_callback(struct urb *urb)
int status = urb->status;
bool stopped = false;
bool stalled = false;
bool cooldown = false;
dev_vdbg(&acm->data->dev, "got urb %d, len %d, status %d\n",
rb->index, urb->actual_length, status);
@ -510,6 +516,14 @@ static void acm_read_bulk_callback(struct urb *urb)
__func__, status);
stopped = true;
break;
case -EOVERFLOW:
case -EPROTO:
dev_dbg(&acm->data->dev,
"%s - cooling babbling device\n", __func__);
usb_mark_last_busy(acm->dev);
set_bit(rb->index, &acm->urbs_in_error_delay);
cooldown = true;
break;
default:
dev_dbg(&acm->data->dev,
"%s - nonzero urb status received: %d\n",
@ -531,9 +545,11 @@ static void acm_read_bulk_callback(struct urb *urb)
*/
smp_mb__after_atomic();
if (stopped || stalled) {
if (stopped || stalled || cooldown) {
if (stalled)
schedule_work(&acm->work);
else if (cooldown)
schedule_delayed_work(&acm->dwork, HZ / 2);
return;
}
@ -575,14 +591,20 @@ static void acm_softint(struct work_struct *work)
struct acm *acm = container_of(work, struct acm, work);
if (test_bit(EVENT_RX_STALL, &acm->flags)) {
if (!(usb_autopm_get_interface(acm->data))) {
smp_mb(); /* against acm_suspend() */
if (!acm->susp_count) {
for (i = 0; i < acm->rx_buflimit; i++)
usb_kill_urb(acm->read_urbs[i]);
usb_clear_halt(acm->dev, acm->in);
acm_submit_read_urbs(acm, GFP_KERNEL);
usb_autopm_put_interface(acm->data);
clear_bit(EVENT_RX_STALL, &acm->flags);
}
clear_bit(EVENT_RX_STALL, &acm->flags);
}
if (test_and_clear_bit(ACM_ERROR_DELAY, &acm->flags)) {
for (i = 0; i < ACM_NR; i++)
if (test_and_clear_bit(i, &acm->urbs_in_error_delay))
acm_submit_read_urb(acm, i, GFP_NOIO);
}
if (test_and_clear_bit(EVENT_TTY_WAKEUP, &acm->flags))
@ -1374,6 +1396,7 @@ made_compressed_probe:
acm->readsize = readsize;
acm->rx_buflimit = num_rx_buf;
INIT_WORK(&acm->work, acm_softint);
INIT_DELAYED_WORK(&acm->dwork, acm_softint);
init_waitqueue_head(&acm->wioctl);
spin_lock_init(&acm->write_lock);
spin_lock_init(&acm->read_lock);
@ -1587,6 +1610,7 @@ static void acm_disconnect(struct usb_interface *intf)
acm_kill_urbs(acm);
cancel_work_sync(&acm->work);
cancel_delayed_work_sync(&acm->dwork);
tty_unregister_device(acm_tty_driver, acm->minor);
@ -1629,6 +1653,8 @@ static int acm_suspend(struct usb_interface *intf, pm_message_t message)
acm_kill_urbs(acm);
cancel_work_sync(&acm->work);
cancel_delayed_work_sync(&acm->dwork);
acm->urbs_in_error_delay = 0;
return 0;
}

5
drivers/usb/class/cdc-acm.h
View File

@ -108,8 +108,11 @@ struct acm {
unsigned long flags;
# define EVENT_TTY_WAKEUP 0
# define EVENT_RX_STALL 1
# define ACM_ERROR_DELAY 3
unsigned long urbs_in_error_delay; /* these need to be restarted after a delay */
struct usb_cdc_line_coding line; /* bits, stop, parity */
struct work_struct work; /* work queue entry for line discipline waking up */
struct work_struct work; /* work queue entry for various purposes*/
struct delayed_work dwork; /* for cool downs needed in error recovery */
unsigned int ctrlin; /* input control lines (DCD, DSR, RI, break, overruns) */
unsigned int ctrlout; /* output control lines (DTR, RTS) */
struct async_icount iocount; /* counters for control line changes */

14
drivers/usb/core/hub.c
View File

@ -1195,6 +1195,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
#ifdef CONFIG_PM
udev->reset_resume = 1;
#endif
/* Don't set the change_bits when the device
* was powered off.
*/
if (test_bit(port1, hub->power_bits))
set_bit(port1, hub->change_bits);
} else {
/* The power session is gone; tell hub_wq */
@ -3008,6 +3013,15 @@ static int check_port_resume_type(struct usb_device *udev,
if (portchange & USB_PORT_STAT_C_ENABLE)
usb_clear_port_feature(hub->hdev, port1,
USB_PORT_FEAT_C_ENABLE);
/*
* Whatever made this reset-resume necessary may have
* turned on the port1 bit in hub->change_bits. But after
* a successful reset-resume we want the bit to be clear;
* if it was on it would indicate that something happened
* following the reset-resume.
*/
clear_bit(port1, hub->change_bits);
}
return status;

9
drivers/usb/core/message.c
View File

@ -586,12 +586,13 @@ void usb_sg_cancel(struct usb_sg_request *io)
int i, retval;
spin_lock_irqsave(&io->lock, flags);
if (io->status) {
if (io->status || io->count == 0) {
spin_unlock_irqrestore(&io->lock, flags);
return;
}
/* shut everything down */
io->status = -ECONNRESET;
io->count++; /* Keep the request alive until we're done */
spin_unlock_irqrestore(&io->lock, flags);
for (i = io->entries - 1; i >= 0; --i) {
@ -605,6 +606,12 @@ void usb_sg_cancel(struct usb_sg_request *io)
dev_warn(&io->dev->dev, "%s, unlink --> %d\n",
__func__, retval);
}
spin_lock_irqsave(&io->lock, flags);
io->count--;
if (!io->count)
complete(&io->complete);
spin_unlock_irqrestore(&io->lock, flags);
}
EXPORT_SYMBOL_GPL(usb_sg_cancel);

4
drivers/usb/core/quirks.c
View File

@ -272,6 +272,10 @@ static const struct usb_device_id usb_quirk_list[] = {
/* Corsair K70 LUX */
{ USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT },
/* Corsair K70 RGB RAPDIFIRE */
{ USB_DEVICE(0x1b1c, 0x1b38), .driver_info = USB_QUIRK_DELAY_INIT |
USB_QUIRK_DELAY_CTRL_MSG },
/* MIDI keyboard WORLDE MINI */
{ USB_DEVICE(0x1c75, 0x0204), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },

8
drivers/usb/dwc3/gadget.c
View File

@ -1641,7 +1641,6 @@ static int __dwc3_gadget_wakeup(struct dwc3 *dwc)
u32 reg;
u8 link_state;
u8 speed;
/*
* According to the Databook Remote wakeup request should
@ -1651,16 +1650,13 @@ static int __dwc3_gadget_wakeup(struct dwc3 *dwc)
*/
reg = dwc3_readl(dwc->regs, DWC3_DSTS);
speed = reg & DWC3_DSTS_CONNECTSPD;
if ((speed == DWC3_DSTS_SUPERSPEED) ||
(speed == DWC3_DSTS_SUPERSPEED_PLUS))
return 0;
link_state = DWC3_DSTS_USBLNKST(reg);
switch (link_state) {
case DWC3_LINK_STATE_RESET:
case DWC3_LINK_STATE_RX_DET: /* in HS, means Early Suspend */
case DWC3_LINK_STATE_U3: /* in HS, means SUSPEND */
case DWC3_LINK_STATE_RESUME:
break;
default:
return -EINVAL;

8
drivers/usb/early/xhci-dbc.c
View File

@ -738,19 +738,19 @@ static void xdbc_handle_tx_event(struct xdbc_trb *evt_trb)
case COMP_USB_TRANSACTION_ERROR:
case COMP_STALL_ERROR:
default:
if (ep_id == XDBC_EPID_OUT)
if (ep_id == XDBC_EPID_OUT || ep_id == XDBC_EPID_OUT_INTEL)
xdbc.flags |= XDBC_FLAGS_OUT_STALL;
if (ep_id == XDBC_EPID_IN)
if (ep_id == XDBC_EPID_IN || ep_id == XDBC_EPID_IN_INTEL)
xdbc.flags |= XDBC_FLAGS_IN_STALL;
xdbc_trace("endpoint %d stalled\n", ep_id);
break;
}
if (ep_id == XDBC_EPID_IN) {
if (ep_id == XDBC_EPID_IN || ep_id == XDBC_EPID_IN_INTEL) {
xdbc.flags &= ~XDBC_FLAGS_IN_PROCESS;
xdbc_bulk_transfer(NULL, XDBC_MAX_PACKET, true);
} else if (ep_id == XDBC_EPID_OUT) {
} else if (ep_id == XDBC_EPID_OUT || ep_id == XDBC_EPID_OUT_INTEL) {
xdbc.flags &= ~XDBC_FLAGS_OUT_PROCESS;
} else {
xdbc_trace("invalid endpoint id %d\n", ep_id);

18
drivers/usb/early/xhci-dbc.h
View File

@ -123,8 +123,22 @@ struct xdbc_ring {
u32 cycle_state;
};
#define XDBC_EPID_OUT 2
#define XDBC_EPID_IN 3
/*
* These are the "Endpoint ID" (also known as "Context Index") values for the
* OUT Transfer Ring and the IN Transfer Ring of a Debug Capability Context data
* structure.
* According to the "eXtensible Host Controller Interface for Universal Serial
* Bus (xHCI)" specification, section "7.6.3.2 Endpoint Contexts and Transfer
* Rings", these should be 0 and 1, and those are the values AMD machines give
* you; but Intel machines seem to use the formula from section "4.5.1 Device
* Context Index", which is supposed to be used for the Device Context only.
* Luckily the values from Intel don't overlap with those from AMD, so we can
* just test for both.
*/
#define XDBC_EPID_OUT 0
#define XDBC_EPID_IN 1
#define XDBC_EPID_OUT_INTEL 2
#define XDBC_EPID_IN_INTEL 3
struct xdbc_state {
u16 vendor;

4
drivers/usb/gadget/function/f_fs.c
View File

@ -1727,6 +1727,10 @@ static void ffs_data_reset(struct ffs_data *ffs)
ffs->state = FFS_READ_DESCRIPTORS;
ffs->setup_state = FFS_NO_SETUP;
ffs->flags = 0;
ffs->ms_os_descs_ext_prop_count = 0;
ffs->ms_os_descs_ext_prop_name_len = 0;
ffs->ms_os_descs_ext_prop_data_len = 0;
}

2
drivers/usb/gadget/udc/bdc/bdc_ep.c
View File

@ -546,7 +546,7 @@ static void bdc_req_complete(struct bdc_ep *ep, struct bdc_req *req,
{
struct bdc *bdc = ep->bdc;
if (req == NULL || &req->queue == NULL || &req->usb_req == NULL)
if (req == NULL)
return;
dev_dbg(bdc->dev, "%s ep:%s status:%d\n", __func__, ep->name, status);

20
drivers/usb/misc/sisusbvga/sisusb.c
View File

@ -1198,18 +1198,18 @@ static int sisusb_read_mem_bulk(struct sisusb_usb_data *sisusb, u32 addr,
/* High level: Gfx (indexed) register access */
#ifdef INCL_SISUSB_CON
int sisusb_setreg(struct sisusb_usb_data *sisusb, int port, u8 data)
int sisusb_setreg(struct sisusb_usb_data *sisusb, u32 port, u8 data)
{
return sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, data);
}
int sisusb_getreg(struct sisusb_usb_data *sisusb, int port, u8 *data)
int sisusb_getreg(struct sisusb_usb_data *sisusb, u32 port, u8 *data)
{
return sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, port, data);
}
#endif
int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port,
int sisusb_setidxreg(struct sisusb_usb_data *sisusb, u32 port,
u8 index, u8 data)
{
int ret;
@ -1219,7 +1219,7 @@ int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port,
return ret;
}
int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port,
int sisusb_getidxreg(struct sisusb_usb_data *sisusb, u32 port,
u8 index, u8 *data)
{
int ret;
@ -1229,7 +1229,7 @@ int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port,
return ret;
}
int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, u8 idx,
int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, u32 port, u8 idx,
u8 myand, u8 myor)
{
int ret;
@ -1244,7 +1244,7 @@ int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, u8 idx,
}
static int sisusb_setidxregmask(struct sisusb_usb_data *sisusb,
int port, u8 idx, u8 data, u8 mask)
u32 port, u8 idx, u8 data, u8 mask)
{
int ret;
u8 tmp;
@ -1257,13 +1257,13 @@ static int sisusb_setidxregmask(struct sisusb_usb_data *sisusb,
return ret;
}
int sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port,
int sisusb_setidxregor(struct sisusb_usb_data *sisusb, u32 port,
u8 index, u8 myor)
{
return sisusb_setidxregandor(sisusb, port, index, 0xff, myor);
}
int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port,
int sisusb_setidxregand(struct sisusb_usb_data *sisusb, u32 port,
u8 idx, u8 myand)
{
return sisusb_setidxregandor(sisusb, port, idx, myand, 0x00);
@ -2786,8 +2786,8 @@ static loff_t sisusb_lseek(struct file *file, loff_t offset, int orig)
static int sisusb_handle_command(struct sisusb_usb_data *sisusb,
struct sisusb_command *y, unsigned long arg)
{
int retval, port, length;
u32 address;
int retval, length;
u32 port, address;
/* All our commands require the device
* to be initialized.

14
drivers/usb/misc/sisusbvga/sisusb_init.h
View File

@ -811,17 +811,17 @@ static const struct SiS_VCLKData SiSUSB_VCLKData[] = {
int SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo);
int SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo);
extern int sisusb_setreg(struct sisusb_usb_data *sisusb, int port, u8 data);
extern int sisusb_getreg(struct sisusb_usb_data *sisusb, int port, u8 * data);
extern int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port,
extern int sisusb_setreg(struct sisusb_usb_data *sisusb, u32 port, u8 data);
extern int sisusb_getreg(struct sisusb_usb_data *sisusb, u32 port, u8 * data);
extern int sisusb_setidxreg(struct sisusb_usb_data *sisusb, u32 port,
u8 index, u8 data);
extern int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port,
extern int sisusb_getidxreg(struct sisusb_usb_data *sisusb, u32 port,
u8 index, u8 * data);
extern int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port,
extern int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, u32 port,
u8 idx, u8 myand, u8 myor);
extern int sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port,
extern int sisusb_setidxregor(struct sisusb_usb_data *sisusb, u32 port,
u8 index, u8 myor);
extern int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port,
extern int sisusb_setidxregand(struct sisusb_usb_data *sisusb, u32 port,
u8 idx, u8 myand);
void sisusb_delete(struct kref *kref);

46
drivers/usb/storage/uas.c
View File

@ -82,6 +82,19 @@ static void uas_free_streams(struct uas_dev_info *devinfo);
static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *prefix,
int status);
/*
* This driver needs its own workqueue, as we need to control memory allocation.
*
* In the course of error handling and power management uas_wait_for_pending_cmnds()
* needs to flush pending work items. In these contexts we cannot allocate memory
* by doing block IO as we would deadlock. For the same reason we cannot wait
* for anything allocating memory not heeding these constraints.
*
* So we have to control all work items that can be on the workqueue we flush.
* Hence we cannot share a queue and need our own.
*/
static struct workqueue_struct *workqueue;
static void uas_do_work(struct work_struct *work)
{
struct uas_dev_info *devinfo =
@ -110,7 +123,7 @@ static void uas_do_work(struct work_struct *work)
if (!err)
cmdinfo->state &= ~IS_IN_WORK_LIST;
else
schedule_work(&devinfo->work);
queue_work(workqueue, &devinfo->work);
}
out:
spin_unlock_irqrestore(&devinfo->lock, flags);
@ -135,7 +148,7 @@ static void uas_add_work(struct uas_cmd_info *cmdinfo)
lockdep_assert_held(&devinfo->lock);
cmdinfo->state |= IS_IN_WORK_LIST;
schedule_work(&devinfo->work);
queue_work(workqueue, &devinfo->work);
}
static void uas_zap_pending(struct uas_dev_info *devinfo, int result)
@ -191,6 +204,9 @@ static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *prefix,
struct uas_cmd_info *ci = (void *)&cmnd->SCp;
struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;
if (status == -ENODEV) /* too late */
return;
scmd_printk(KERN_INFO, cmnd,
"%s %d uas-tag %d inflight:%s%s%s%s%s%s%s%s%s%s%s%s ",
prefix, status, cmdinfo->uas_tag,
@ -1233,7 +1249,31 @@ static struct usb_driver uas_driver = {
.id_table = uas_usb_ids,
};
module_usb_driver(uas_driver);
static int __init uas_init(void)
{
int rv;
workqueue = alloc_workqueue("uas", WQ_MEM_RECLAIM, 0);
if (!workqueue)
return -ENOMEM;
rv = usb_register(&uas_driver);
if (rv) {
destroy_workqueue(workqueue);
return -ENOMEM;
}
return 0;
}
static void __exit uas_exit(void)
{
usb_deregister(&uas_driver);
destroy_workqueue(workqueue);
}
module_init(uas_init);
module_exit(uas_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR(

7
drivers/usb/storage/unusual_devs.h
View File

@ -2342,6 +2342,13 @@ UNUSUAL_DEV( 0x3340, 0xffff, 0x0000, 0x0000,
USB_SC_DEVICE,USB_PR_DEVICE,NULL,
US_FL_MAX_SECTORS_64 ),
/* Reported by Cyril Roelandt <tipecaml@gmail.com> */
UNUSUAL_DEV( 0x357d, 0x7788, 0x0114, 0x0114,
"JMicron",
"USB to ATA/ATAPI Bridge",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_BROKEN_FUA ),
/* Reported by Andrey Rahmatullin <wrar@altlinux.org> */
UNUSUAL_DEV( 0x4102, 0x1020, 0x0100, 0x0100,
"iRiver",

1
drivers/watchdog/watchdog_dev.c
View File

@ -245,6 +245,7 @@ static int watchdog_start(struct watchdog_device *wdd)
if (err == 0) {
set_bit(WDOG_ACTIVE, &wdd->status);
wd_data->last_keepalive = started_at;
wd_data->last_hw_keepalive = started_at;
watchdog_update_worker(wdd);
}

9
drivers/xen/xenbus/xenbus_client.c
View File

@ -450,7 +450,14 @@ EXPORT_SYMBOL_GPL(xenbus_free_evtchn);
int xenbus_map_ring_valloc(struct xenbus_device *dev, grant_ref_t *gnt_refs,
unsigned int nr_grefs, void **vaddr)
{
return ring_ops->map(dev, gnt_refs, nr_grefs, vaddr);
int err;
err = ring_ops->map(dev, gnt_refs, nr_grefs, vaddr);
/* Some hypervisors are buggy and can return 1. */
if (err > 0)
err = GNTST_general_error;
return err;
}
EXPORT_SYMBOL_GPL(xenbus_map_ring_valloc);

8
fs/ceph/caps.c
View File

@ -1863,8 +1863,12 @@ retry_locked:
}
/* want more caps from mds? */
if (want & ~(cap->mds_wanted | cap->issued))
goto ack;
if (want & ~cap->mds_wanted) {
if (want & ~(cap->mds_wanted | cap->issued))
goto ack;
if (!__cap_is_valid(cap))
goto ack;
}
/* things we might delay */
if ((cap->issued & ~retain) == 0 &&

5
fs/ceph/export.c
View File

@ -151,6 +151,11 @@ static struct dentry *__get_parent(struct super_block *sb,
req->r_num_caps = 1;
err = ceph_mdsc_do_request(mdsc, NULL, req);
if (err) {
ceph_mdsc_put_request(req);
return ERR_PTR(err);
}
inode = req->r_target_inode;
if (inode)
ihold(inode);

54
fs/ext4/block_validity.c
View File

@ -137,6 +137,49 @@ static void debug_print_tree(struct ext4_sb_info *sbi)
printk(KERN_CONT "\n");
}
static int ext4_protect_reserved_inode(struct super_block *sb, u32 ino)
{
struct inode *inode;
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct ext4_map_blocks map;
u32 i = 0, num;
int err = 0, n;
if ((ino < EXT4_ROOT_INO) ||
(ino > le32_to_cpu(sbi->s_es->s_inodes_count)))
return -EINVAL;
inode = ext4_iget(sb, ino, EXT4_IGET_SPECIAL);
if (IS_ERR(inode))
return PTR_ERR(inode);
num = (inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits;
while (i < num) {
map.m_lblk = i;
map.m_len = num - i;
n = ext4_map_blocks(NULL, inode, &map, 0);
if (n < 0) {
err = n;
break;
}
if (n == 0) {
i++;
} else {
if (!ext4_data_block_valid(sbi, map.m_pblk, n)) {
ext4_error(sb, "blocks %llu-%llu from inode %u "
"overlap system zone", map.m_pblk,
map.m_pblk + map.m_len - 1, ino);
err = -EFSCORRUPTED;
break;
}
err = add_system_zone(sbi, map.m_pblk, n);
if (err < 0)
break;
i += n;
}
}
iput(inode);
return err;
}
int ext4_setup_system_zone(struct super_block *sb)
{
ext4_group_t ngroups = ext4_get_groups_count(sb);
@ -171,6 +214,12 @@ int ext4_setup_system_zone(struct super_block *sb)
if (ret)
return ret;
}
if (ext4_has_feature_journal(sb) && sbi->s_es->s_journal_inum) {
ret = ext4_protect_reserved_inode(sb,
le32_to_cpu(sbi->s_es->s_journal_inum));
if (ret)
return ret;
}
if (test_opt(sb, DEBUG))
debug_print_tree(EXT4_SB(sb));
@ -227,6 +276,11 @@ int ext4_check_blockref(const char *function, unsigned int line,
__le32 *bref = p;
unsigned int blk;
if (ext4_has_feature_journal(inode->i_sb) &&
(inode->i_ino ==
le32_to_cpu(EXT4_SB(inode->i_sb)->s_es->s_journal_inum)))
return 0;
while (bref < p+max) {
blk = le32_to_cpu(*bref++);
if (blk &&

15
fs/ext4/ext4.h
View File

@ -2509,8 +2509,19 @@ int do_journal_get_write_access(handle_t *handle,
#define FALL_BACK_TO_NONDELALLOC 1
#define CONVERT_INLINE_DATA 2
extern struct inode *ext4_iget(struct super_block *, unsigned long);
extern struct inode *ext4_iget_normal(struct super_block *, unsigned long);
typedef enum {
EXT4_IGET_NORMAL = 0,
EXT4_IGET_SPECIAL = 0x0001, /* OK to iget a system inode */
EXT4_IGET_HANDLE = 0x0002 /* Inode # is from a handle */
} ext4_iget_flags;
extern struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
ext4_iget_flags flags, const char *function,
unsigned int line);
#define ext4_iget(sb, ino, flags) \
__ext4_iget((sb), (ino), (flags), __func__, __LINE__)
extern int ext4_write_inode(struct inode *, struct writeback_control *);
extern int ext4_setattr(struct dentry *, struct iattr *);
extern int ext4_getattr(const struct path *, struct kstat *, u32, unsigned int);

59
fs/ext4/extents.c
View File

@ -510,6 +510,30 @@ int ext4_ext_check_inode(struct inode *inode)
return ext4_ext_check(inode, ext_inode_hdr(inode), ext_depth(inode), 0);
}
static void ext4_cache_extents(struct inode *inode,
struct ext4_extent_header *eh)
{
struct ext4_extent *ex = EXT_FIRST_EXTENT(eh);
ext4_lblk_t prev = 0;
int i;
for (i = le16_to_cpu(eh->eh_entries); i > 0; i--, ex++) {
unsigned int status = EXTENT_STATUS_WRITTEN;
ext4_lblk_t lblk = le32_to_cpu(ex->ee_block);
int len = ext4_ext_get_actual_len(ex);
if (prev && (prev != lblk))
ext4_es_cache_extent(inode, prev, lblk - prev, ~0,
EXTENT_STATUS_HOLE);
if (ext4_ext_is_unwritten(ex))
status = EXTENT_STATUS_UNWRITTEN;
ext4_es_cache_extent(inode, lblk, len,
ext4_ext_pblock(ex), status);
prev = lblk + len;
}
}
static struct buffer_head *
__read_extent_tree_block(const char *function, unsigned int line,
struct inode *inode, ext4_fsblk_t pblk, int depth,
@ -530,36 +554,21 @@ __read_extent_tree_block(const char *function, unsigned int line,
}
if (buffer_verified(bh) && !(flags & EXT4_EX_FORCE_CACHE))
return bh;
err = __ext4_ext_check(function, line, inode,
ext_block_hdr(bh), depth, pblk);
if (err)
goto errout;
if (!ext4_has_feature_journal(inode->i_sb) ||
(inode->i_ino !=
le32_to_cpu(EXT4_SB(inode->i_sb)->s_es->s_journal_inum))) {
err = __ext4_ext_check(function, line, inode,
ext_block_hdr(bh), depth, pblk);
if (err)
goto errout;
}
set_buffer_verified(bh);
/*
* If this is a leaf block, cache all of its entries
*/
if (!(flags & EXT4_EX_NOCACHE) && depth == 0) {
struct ext4_extent_header *eh = ext_block_hdr(bh);
struct ext4_extent *ex = EXT_FIRST_EXTENT(eh);
ext4_lblk_t prev = 0;
int i;
for (i = le16_to_cpu(eh->eh_entries); i > 0; i--, ex++) {
unsigned int status = EXTENT_STATUS_WRITTEN;
ext4_lblk_t lblk = le32_to_cpu(ex->ee_block);
int len = ext4_ext_get_actual_len(ex);
if (prev && (prev != lblk))
ext4_es_cache_extent(inode, prev,
lblk - prev, ~0,
EXTENT_STATUS_HOLE);
if (ext4_ext_is_unwritten(ex))
status = EXTENT_STATUS_UNWRITTEN;
ext4_es_cache_extent(inode, lblk, len,
ext4_ext_pblock(ex), status);
prev = lblk + len;
}
ext4_cache_extents(inode, eh);
}
return bh;
errout:
@ -907,6 +916,8 @@ ext4_find_extent(struct inode *inode, ext4_lblk_t block,
path[0].p_bh = NULL;
i = depth;
if (!(flags & EXT4_EX_NOCACHE) && depth == 0)
ext4_cache_extents(inode, eh);
/* walk through the tree */
while (i) {
ext_debug("depth %d: num %d, max %d\n",

4
fs/ext4/ialloc.c
View File

@ -673,7 +673,7 @@ static int find_group_other(struct super_block *sb, struct inode *parent,
* block has been written back to disk. (Yes, these values are
* somewhat arbitrary...)
*/
#define RECENTCY_MIN 5
#define RECENTCY_MIN 60
#define RECENTCY_DIRTY 300
static int recently_deleted(struct super_block *sb, ext4_group_t group, int ino)
@ -1239,7 +1239,7 @@ struct inode *ext4_orphan_get(struct super_block *sb, unsigned long ino)
if (!ext4_test_bit(bit, bitmap_bh->b_data))
goto bad_orphan;
inode = ext4_iget(sb, ino);
inode = ext4_iget(sb, ino, EXT4_IGET_NORMAL);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
ext4_error(sb, "couldn't read orphan inode %lu (err %d)",

55
fs/ext4/inode.c
View File

@ -407,6 +407,10 @@ static int __check_block_validity(struct inode *inode, const char *func,
unsigned int line,
struct ext4_map_blocks *map)
{
if (ext4_has_feature_journal(inode->i_sb) &&
(inode->i_ino ==
le32_to_cpu(EXT4_SB(inode->i_sb)->s_es->s_journal_inum)))
return 0;
if (!ext4_data_block_valid(EXT4_SB(inode->i_sb), map->m_pblk,
map->m_len)) {
ext4_error_inode(inode, func, line, map->m_pblk,
@ -2123,7 +2127,7 @@ static int ext4_writepage(struct page *page,
bool keep_towrite = false;
if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) {
ext4_invalidatepage(page, 0, PAGE_SIZE);
inode->i_mapping->a_ops->invalidatepage(page, 0, PAGE_SIZE);
unlock_page(page);
return -EIO;
}
@ -4695,7 +4699,9 @@ int ext4_get_projid(struct inode *inode, kprojid_t *projid)
return 0;
}
struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
ext4_iget_flags flags, const char *function,
unsigned int line)
{
struct ext4_iloc iloc;
struct ext4_inode *raw_inode;
@ -4709,6 +4715,18 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
gid_t i_gid;
projid_t i_projid;
if (((flags & EXT4_IGET_NORMAL) &&
(ino < EXT4_FIRST_INO(sb) && ino != EXT4_ROOT_INO)) ||
(ino < EXT4_ROOT_INO) ||
(ino > le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count))) {
if (flags & EXT4_IGET_HANDLE)
return ERR_PTR(-ESTALE);
__ext4_error(sb, function, line,
"inode #%lu: comm %s: iget: illegal inode #",
ino, current->comm);
return ERR_PTR(-EFSCORRUPTED);
}
inode = iget_locked(sb, ino);
if (!inode)
return ERR_PTR(-ENOMEM);
@ -4724,18 +4742,26 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
raw_inode = ext4_raw_inode(&iloc);
if ((ino == EXT4_ROOT_INO) && (raw_inode->i_links_count == 0)) {
EXT4_ERROR_INODE(inode, "root inode unallocated");
ext4_error_inode(inode, function, line, 0,
"iget: root inode unallocated");
ret = -EFSCORRUPTED;
goto bad_inode;
}
if ((flags & EXT4_IGET_HANDLE) &&
(raw_inode->i_links_count == 0) && (raw_inode->i_mode == 0)) {
ret = -ESTALE;
goto bad_inode;
}
if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) {
ei->i_extra_isize = le16_to_cpu(raw_inode->i_extra_isize);
if (EXT4_GOOD_OLD_INODE_SIZE + ei->i_extra_isize >
EXT4_INODE_SIZE(inode->i_sb) ||
(ei->i_extra_isize & 3)) {
EXT4_ERROR_INODE(inode,
"bad extra_isize %u (inode size %u)",
ext4_error_inode(inode, function, line, 0,
"iget: bad extra_isize %u "
"(inode size %u)",
ei->i_extra_isize,
EXT4_INODE_SIZE(inode->i_sb));
ret = -EFSCORRUPTED;
@ -4757,7 +4783,8 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
}
if (!ext4_inode_csum_verify(inode, raw_inode, ei)) {
EXT4_ERROR_INODE(inode, "checksum invalid");
ext4_error_inode(inode, function, line, 0,
"iget: checksum invalid");
ret = -EFSBADCRC;
goto bad_inode;
}
@ -4813,7 +4840,8 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
((__u64)le16_to_cpu(raw_inode->i_file_acl_high)) << 32;
inode->i_size = ext4_isize(sb, raw_inode);
if ((size = i_size_read(inode)) < 0) {
EXT4_ERROR_INODE(inode, "bad i_size value: %lld", size);
ext4_error_inode(inode, function, line, 0,
"iget: bad i_size value: %lld", size);
ret = -EFSCORRUPTED;
goto bad_inode;
}
@ -4899,7 +4927,8 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
ret = 0;
if (ei->i_file_acl &&
!ext4_data_block_valid(EXT4_SB(sb), ei->i_file_acl, 1)) {
EXT4_ERROR_INODE(inode, "bad extended attribute block %llu",
ext4_error_inode(inode, function, line, 0,
"iget: bad extended attribute block %llu",
ei->i_file_acl);
ret = -EFSCORRUPTED;
goto bad_inode;
@ -4954,7 +4983,8 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
make_bad_inode(inode);
} else {
ret = -EFSCORRUPTED;
EXT4_ERROR_INODE(inode, "bogus i_mode (%o)", inode->i_mode);
ext4_error_inode(inode, function, line, 0,
"iget: bogus i_mode (%o)", inode->i_mode);
goto bad_inode;
}
brelse(iloc.bh);
@ -4969,13 +4999,6 @@ bad_inode:
return ERR_PTR(ret);
}
struct inode *ext4_iget_normal(struct super_block *sb, unsigned long ino)
{
if (ino < EXT4_FIRST_INO(sb) && ino != EXT4_ROOT_INO)
return ERR_PTR(-EFSCORRUPTED);
return ext4_iget(sb, ino);
}
static int ext4_inode_blocks_set(handle_t *handle,
struct ext4_inode *raw_inode,
struct ext4_inode_info *ei)

2
fs/ext4/ioctl.c
View File

@ -111,7 +111,7 @@ static long swap_inode_boot_loader(struct super_block *sb,
if (!inode_owner_or_capable(inode) || !capable(CAP_SYS_ADMIN))
return -EPERM;
inode_bl = ext4_iget(sb, EXT4_BOOT_LOADER_INO);
inode_bl = ext4_iget(sb, EXT4_BOOT_LOADER_INO, EXT4_IGET_SPECIAL);
if (IS_ERR(inode_bl))
return PTR_ERR(inode_bl);
ei_bl = EXT4_I(inode_bl);

6
fs/ext4/mballoc.c
View File

@ -1952,7 +1952,8 @@ void ext4_mb_complex_scan_group(struct ext4_allocation_context *ac,
int free;
free = e4b->bd_info->bb_free;
BUG_ON(free <= 0);
if (WARN_ON(free <= 0))
return;
i = e4b->bd_info->bb_first_free;
@ -1973,7 +1974,8 @@ void ext4_mb_complex_scan_group(struct ext4_allocation_context *ac,
}
mb_find_extent(e4b, i, ac->ac_g_ex.fe_len, &ex);
BUG_ON(ex.fe_len <= 0);
if (WARN_ON(ex.fe_len <= 0))
break;
if (free < ex.fe_len) {
ext4_grp_locked_error(sb, e4b->bd_group, 0, 0,
"%d free clusters as per "

4
fs/ext4/namei.c
View File

@ -1597,7 +1597,7 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, unsi
dentry);
return ERR_PTR(-EFSCORRUPTED);
}
inode = ext4_iget_normal(dir->i_sb, ino);
inode = ext4_iget(dir->i_sb, ino, EXT4_IGET_NORMAL);
if (inode == ERR_PTR(-ESTALE)) {
EXT4_ERROR_INODE(dir,
"deleted inode referenced: %u",
@ -1639,7 +1639,7 @@ struct dentry *ext4_get_parent(struct dentry *child)
return ERR_PTR(-EFSCORRUPTED);
}
return d_obtain_alias(ext4_iget_normal(child->d_sb, ino));
return d_obtain_alias(ext4_iget(child->d_sb, ino, EXT4_IGET_NORMAL));
}
/*

5
fs/ext4/resize.c
View File

@ -1652,7 +1652,7 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
"No reserved GDT blocks, can't resize");
return -EPERM;
}
inode = ext4_iget(sb, EXT4_RESIZE_INO);
inode = ext4_iget(sb, EXT4_RESIZE_INO, EXT4_IGET_SPECIAL);
if (IS_ERR(inode)) {
ext4_warning(sb, "Error opening resize inode");
return PTR_ERR(inode);
@ -1980,7 +1980,8 @@ retry:
}
if (!resize_inode)
resize_inode = ext4_iget(sb, EXT4_RESIZE_INO);
resize_inode = ext4_iget(sb, EXT4_RESIZE_INO,
EXT4_IGET_SPECIAL);
if (IS_ERR(resize_inode)) {
ext4_warning(sb, "Error opening resize inode");
return PTR_ERR(resize_inode);

22
fs/ext4/super.c
View File

@ -1126,20 +1126,11 @@ static struct inode *ext4_nfs_get_inode(struct super_block *sb,
{
struct inode *inode;
if (ino < EXT4_FIRST_INO(sb) && ino != EXT4_ROOT_INO)
return ERR_PTR(-ESTALE);
if (ino > le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count))
return ERR_PTR(-ESTALE);
/* iget isn't really right if the inode is currently unallocated!!
*
* ext4_read_inode will return a bad_inode if the inode had been
* deleted, so we should be safe.
*
/*
* Currently we don't know the generation for parent directory, so
* a generation of 0 means "accept any"
*/
inode = ext4_iget_normal(sb, ino);
inode = ext4_iget(sb, ino, EXT4_IGET_HANDLE);
if (IS_ERR(inode))
return ERR_CAST(inode);
if (generation && inode->i_generation != generation) {
@ -3465,7 +3456,8 @@ int ext4_calculate_overhead(struct super_block *sb)
*/
if (sbi->s_journal && !sbi->journal_bdev)
overhead += EXT4_NUM_B2C(sbi, sbi->s_journal->j_maxlen);
else if (ext4_has_feature_journal(sb) && !sbi->s_journal) {
else if (ext4_has_feature_journal(sb) && !sbi->s_journal && j_inum) {
/* j_inum for internal journal is non-zero */
j_inode = ext4_get_journal_inode(sb, j_inum);
if (j_inode) {
j_blocks = j_inode->i_size >> sb->s_blocksize_bits;
@ -4370,7 +4362,7 @@ no_journal:
* so we can safely mount the rest of the filesystem now.
*/
root = ext4_iget(sb, EXT4_ROOT_INO);
root = ext4_iget(sb, EXT4_ROOT_INO, EXT4_IGET_SPECIAL);
if (IS_ERR(root)) {
ext4_msg(sb, KERN_ERR, "get root inode failed");
ret = PTR_ERR(root);
@ -4620,7 +4612,7 @@ static struct inode *ext4_get_journal_inode(struct super_block *sb,
* happen if we iget() an unused inode, as the subsequent iput()
* will try to delete it.
*/
journal_inode = ext4_iget(sb, journal_inum);
journal_inode = ext4_iget(sb, journal_inum, EXT4_IGET_SPECIAL);
if (IS_ERR(journal_inode)) {
ext4_msg(sb, KERN_ERR, "no journal found");
return NULL;
@ -5693,7 +5685,7 @@ static int ext4_quota_enable(struct super_block *sb, int type, int format_id,
if (!qf_inums[type])
return -EPERM;
qf_inode = ext4_iget(sb, qf_inums[type]);
qf_inode = ext4_iget(sb, qf_inums[type], EXT4_IGET_SPECIAL);
if (IS_ERR(qf_inode)) {
ext4_error(sb, "Bad quota inode # %lu", qf_inums[type]);
return PTR_ERR(qf_inode);

5
fs/ext4/xattr.c
View File

@ -383,7 +383,7 @@ static int ext4_xattr_inode_iget(struct inode *parent, unsigned long ea_ino,
struct inode *inode;
int err;
inode = ext4_iget(parent->i_sb, ea_ino);
inode = ext4_iget(parent->i_sb, ea_ino, EXT4_IGET_NORMAL);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
ext4_error(parent->i_sb,
@ -1486,7 +1486,8 @@ ext4_xattr_inode_cache_find(struct inode *inode, const void *value,
}
while (ce) {
ea_inode = ext4_iget(inode->i_sb, ce->e_value);
ea_inode = ext4_iget(inode->i_sb, ce->e_value,
EXT4_IGET_NORMAL);
if (!IS_ERR(ea_inode) &&
!is_bad_inode(ea_inode) &&
(EXT4_I(ea_inode)->i_flags & EXT4_EA_INODE_FL) &&

2
fs/namespace.c
View File

@ -3218,8 +3218,8 @@ SYSCALL_DEFINE2(pivot_root, const char __user *, new_root,
/* make certain new is below the root */
if (!is_path_reachable(new_mnt, new.dentry, &root))
goto out4;
root_mp->m_count++; /* pin it so it won't go away */
lock_mount_hash();
root_mp->m_count++; /* pin it so it won't go away */
detach_mnt(new_mnt, &parent_path);
detach_mnt(root_mnt, &root_parent);
if (root_mnt->mnt.mnt_flags & MNT_LOCKED) {

2
fs/nfsd/nfs4state.c
View File

@ -246,6 +246,8 @@ find_or_allocate_block(struct nfs4_lockowner *lo, struct knfsd_fh *fh,
if (!nbl) {
nbl= kmalloc(sizeof(*nbl), GFP_KERNEL);
if (nbl) {
INIT_LIST_HEAD(&nbl->nbl_list);
INIT_LIST_HEAD(&nbl->nbl_lru);
fh_copy_shallow(&nbl->nbl_fh, fh);
locks_init_lock(&nbl->nbl_lock);
nfsd4_init_cb(&nbl->nbl_cb, lo->lo_owner.so_client,

9
fs/pnode.c
View File

@ -266,14 +266,13 @@ static int propagate_one(struct mount *m)
if (IS_ERR(child))
return PTR_ERR(child);
child->mnt.mnt_flags &= ~MNT_LOCKED;
read_seqlock_excl(&mount_lock);
mnt_set_mountpoint(m, mp, child);
if (m->mnt_master != dest_master)
SET_MNT_MARK(m->mnt_master);
read_sequnlock_excl(&mount_lock);
last_dest = m;
last_source = child;
if (m->mnt_master != dest_master) {
read_seqlock_excl(&mount_lock);
SET_MNT_MARK(m->mnt_master);
read_sequnlock_excl(&mount_lock);
}
hlist_add_head(&child->mnt_hash, list);
return count_mounts(m->mnt_ns, child);
}

2
fs/proc/vmcore.c
View File

@ -459,7 +459,7 @@ static int mmap_vmcore(struct file *file, struct vm_area_struct *vma)
tsz = min(elfcorebuf_sz + elfnotes_sz - (size_t)start, size);
kaddr = elfnotes_buf + start - elfcorebuf_sz;
if (remap_vmalloc_range_partial(vma, vma->vm_start + len,
kaddr, tsz))
kaddr, 0, tsz))
goto fail;
size -= tsz;
start += tsz;

85
fs/xfs/xfs_inode.c
View File

@ -3035,7 +3035,8 @@ xfs_rename(
&dfops, &first_block, spaceres);
/*
* Set up the target.
* Check for expected errors before we dirty the transaction
* so we can return an error without a transaction abort.
*/
if (target_ip == NULL) {
/*
@ -3047,6 +3048,46 @@ xfs_rename(
if (error)
goto out_trans_cancel;
}
} else {
/*
* If target exists and it's a directory, check that whether
* it can be destroyed.
*/
if (S_ISDIR(VFS_I(target_ip)->i_mode) &&
(!xfs_dir_isempty(target_ip) ||
(VFS_I(target_ip)->i_nlink > 2))) {
error = -EEXIST;
goto out_trans_cancel;
}
}
/*
* Directory entry creation below may acquire the AGF. Remove
* the whiteout from the unlinked list first to preserve correct
* AGI/AGF locking order. This dirties the transaction so failures
* after this point will abort and log recovery will clean up the
* mess.
*
* For whiteouts, we need to bump the link count on the whiteout
* inode. After this point, we have a real link, clear the tmpfile
* state flag from the inode so it doesn't accidentally get misused
* in future.
*/
if (wip) {
ASSERT(VFS_I(wip)->i_nlink == 0);
error = xfs_iunlink_remove(tp, wip);
if (error)
goto out_trans_cancel;
xfs_bumplink(tp, wip);
xfs_trans_log_inode(tp, wip, XFS_ILOG_CORE);
VFS_I(wip)->i_state &= ~I_LINKABLE;
}
/*
* Set up the target.
*/
if (target_ip == NULL) {
/*
* If target does not exist and the rename crosses
* directories, adjust the target directory link count
@ -3067,22 +3108,6 @@ xfs_rename(
goto out_bmap_cancel;
}
} else { /* target_ip != NULL */
/*
* If target exists and it's a directory, check that both
* target and source are directories and that target can be
* destroyed, or that neither is a directory.
*/
if (S_ISDIR(VFS_I(target_ip)->i_mode)) {
/*
* Make sure target dir is empty.
*/
if (!(xfs_dir_isempty(target_ip)) ||
(VFS_I(target_ip)->i_nlink > 2)) {
error = -EEXIST;
goto out_trans_cancel;
}
}
/*
* Link the source inode under the target name.
* If the source inode is a directory and we are moving
@ -3175,32 +3200,6 @@ xfs_rename(
if (error)
goto out_bmap_cancel;
/*
* For whiteouts, we need to bump the link count on the whiteout inode.
* This means that failures all the way up to this point leave the inode
* on the unlinked list and so cleanup is a simple matter of dropping
* the remaining reference to it. If we fail here after bumping the link
* count, we're shutting down the filesystem so we'll never see the
* intermediate state on disk.
*/
if (wip) {
ASSERT(VFS_I(wip)->i_nlink == 0);
error = xfs_bumplink(tp, wip);
if (error)
goto out_bmap_cancel;
error = xfs_iunlink_remove(tp, wip);
if (error)
goto out_bmap_cancel;
xfs_trans_log_inode(tp, wip, XFS_ILOG_CORE);
/*
* Now we have a real link, clear the "I'm a tmpfile" state
* flag from the inode so it doesn't accidentally get misused in
* future.
*/
VFS_I(wip)->i_state &= ~I_LINKABLE;
}
xfs_trans_ichgtime(tp, src_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
xfs_trans_log_inode(tp, src_dp, XFS_ILOG_CORE);
if (new_parent)

14
fs/xfs/xfs_log.c
View File

@ -608,6 +608,7 @@ xfs_log_mount(
xfs_daddr_t blk_offset,
int num_bblks)
{
bool fatal = xfs_sb_version_hascrc(&mp->m_sb);
int error = 0;
int min_logfsbs;
@ -659,9 +660,20 @@ xfs_log_mount(
XFS_FSB_TO_B(mp, mp->m_sb.sb_logblocks),
XFS_MAX_LOG_BYTES);
error = -EINVAL;
} else if (mp->m_sb.sb_logsunit > 1 &&
mp->m_sb.sb_logsunit % mp->m_sb.sb_blocksize) {
xfs_warn(mp,
"log stripe unit %u bytes must be a multiple of block size",
mp->m_sb.sb_logsunit);
error = -EINVAL;
fatal = true;
}
if (error) {
if (xfs_sb_version_hascrc(&mp->m_sb)) {
/*
* Log check errors are always fatal on v5; or whenever bad
* metadata leads to a crash.
*/
if (fatal) {
xfs_crit(mp, "AAIEEE! Log failed size checks. Abort!");
ASSERT(0);
goto out_free_log;

1
fs/xfs/xfs_reflink.c
View File

@ -1125,6 +1125,7 @@ xfs_reflink_remap_extent(
uirec.br_startblock = irec->br_startblock + rlen;
uirec.br_startoff = irec->br_startoff + rlen;
uirec.br_blockcount = unmap_len - rlen;
uirec.br_state = irec->br_state;
unmap_len = rlen;
/* If this isn't a real mapping, we're done. */

2
include/linux/kvm_host.h
View File

@ -945,7 +945,7 @@ search_memslots(struct kvm_memslots *slots, gfn_t gfn)
start = slot + 1;
}
if (gfn >= memslots[start].base_gfn &&
if (start < slots->used_slots && gfn >= memslots[start].base_gfn &&
gfn < memslots[start].base_gfn + memslots[start].npages) {
atomic_set(&slots->lru_slot, start);
return &memslots[start];

31
include/linux/overflow.h
View File

@ -202,4 +202,35 @@
#endif /* COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW */
/** check_shl_overflow() - Calculate a left-shifted value and check overflow
*
* @a: Value to be shifted
* @s: How many bits left to shift
* @d: Pointer to where to store the result
*
* Computes *@d = (@a << @s)
*
* Returns true if '*d' cannot hold the result or when 'a << s' doesn't
* make sense. Example conditions:
* - 'a << s' causes bits to be lost when stored in *d.
* - 's' is garbage (e.g. negative) or so large that the result of
* 'a << s' is guaranteed to be 0.
* - 'a' is negative.
* - 'a << s' sets the sign bit, if any, in '*d'.
*
* '*d' will hold the results of the attempted shift, but is not
* considered "safe for use" if false is returned.
*/
#define check_shl_overflow(a, s, d) ({ \
typeof(a) _a = a; \
typeof(s) _s = s; \
typeof(d) _d = d; \
u64 _a_full = _a; \
unsigned int _to_shift = \
_s >= 0 && _s < 8 * sizeof(*d) ? _s : 0; \
*_d = (_a_full << _to_shift); \
(_to_shift != _s || *_d < 0 || _a < 0 || \
(*_d >> _to_shift) != _a); \
})
#endif /* __LINUX_OVERFLOW_H */

24
include/linux/qed/qed_chain.h
View File

@ -97,6 +97,11 @@ struct qed_chain_u32 {
u32 cons_idx;
};
struct addr_tbl_entry {
void *virt_addr;
dma_addr_t dma_map;
};
struct qed_chain {
/* fastpath portion of the chain - required for commands such
* as produce / consume.
@ -107,10 +112,11 @@ struct qed_chain {
/* Fastpath portions of the PBL [if exists] */
struct {
/* Table for keeping the virtual addresses of the chain pages,
* respectively to the physical addresses in the pbl table.
/* Table for keeping the virtual and physical addresses of the
* chain pages, respectively to the physical addresses
* in the pbl table.
*/
void **pp_virt_addr_tbl;
struct addr_tbl_entry *pp_addr_tbl;
union {
struct qed_chain_pbl_u16 u16;
@ -287,7 +293,7 @@ qed_chain_advance_page(struct qed_chain *p_chain,
*(u32 *)page_to_inc = 0;
page_index = *(u32 *)page_to_inc;
}
*p_next_elem = p_chain->pbl.pp_virt_addr_tbl[page_index];
*p_next_elem = p_chain->pbl.pp_addr_tbl[page_index].virt_addr;
}
}
@ -537,7 +543,7 @@ static inline void qed_chain_init_params(struct qed_chain *p_chain,
p_chain->pbl_sp.p_phys_table = 0;
p_chain->pbl_sp.p_virt_table = NULL;
p_chain->pbl.pp_virt_addr_tbl = NULL;
p_chain->pbl.pp_addr_tbl = NULL;
}
/**
@ -575,11 +581,11 @@ static inline void qed_chain_init_mem(struct qed_chain *p_chain,
static inline void qed_chain_init_pbl_mem(struct qed_chain *p_chain,
void *p_virt_pbl,
dma_addr_t p_phys_pbl,
void **pp_virt_addr_tbl)
struct addr_tbl_entry *pp_addr_tbl)
{
p_chain->pbl_sp.p_phys_table = p_phys_pbl;
p_chain->pbl_sp.p_virt_table = p_virt_pbl;
p_chain->pbl.pp_virt_addr_tbl = pp_virt_addr_tbl;
p_chain->pbl.pp_addr_tbl = pp_addr_tbl;
}
/**
@ -644,7 +650,7 @@ static inline void *qed_chain_get_last_elem(struct qed_chain *p_chain)
break;
case QED_CHAIN_MODE_PBL:
last_page_idx = p_chain->page_cnt - 1;
p_virt_addr = p_chain->pbl.pp_virt_addr_tbl[last_page_idx];
p_virt_addr = p_chain->pbl.pp_addr_tbl[last_page_idx].virt_addr;
break;
}
/* p_virt_addr points at this stage to the last page of the chain */
@ -716,7 +722,7 @@ static inline void qed_chain_pbl_zero_mem(struct qed_chain *p_chain)
page_cnt = qed_chain_get_page_cnt(p_chain);
for (i = 0; i < page_cnt; i++)
memset(p_chain->pbl.pp_virt_addr_tbl[i], 0,
memset(p_chain->pbl.pp_addr_tbl[i].virt_addr, 0,
QED_CHAIN_PAGE_SIZE);
}

2
include/linux/vmalloc.h
View File

@ -102,7 +102,7 @@ extern void vunmap(const void *addr);
extern int remap_vmalloc_range_partial(struct vm_area_struct *vma,
unsigned long uaddr, void *kaddr,
unsigned long size);
unsigned long pgoff, unsigned long size);
extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
unsigned long pgoff);

2
include/net/tcp.h
View File

@ -55,7 +55,7 @@ extern struct inet_hashinfo tcp_hashinfo;
extern struct percpu_counter tcp_orphan_count;
void tcp_time_wait(struct sock *sk, int state, int timeo);
#define MAX_TCP_HEADER (128 + MAX_HEADER)
#define MAX_TCP_HEADER L1_CACHE_ALIGN(128 + MAX_HEADER)
#define MAX_TCP_OPTION_SPACE 40
#define TCP_MIN_SND_MSS 48
#define TCP_MIN_GSO_SIZE (TCP_MIN_SND_MSS - MAX_TCP_OPTION_SPACE)

7
include/uapi/linux/keyctl.h
View File

@ -65,7 +65,12 @@
/* keyctl structures */
struct keyctl_dh_params {
__s32 private;
union {
#ifndef __cplusplus
__s32 private;
#endif
__s32 priv;
};
__s32 prime;
__s32 base;
};

4
include/uapi/linux/swab.h
View File

@ -135,9 +135,9 @@ static inline __attribute_const__ __u32 __fswahb32(__u32 val)
static __always_inline unsigned long __swab(const unsigned long y)
{
#if BITS_PER_LONG == 64
#if __BITS_PER_LONG == 64
return __swab64(y);
#else /* BITS_PER_LONG == 32 */
#else /* __BITS_PER_LONG == 32 */
return __swab32(y);
#endif
}

2
ipc/util.c
View File

@ -750,13 +750,13 @@ static struct kern_ipc_perm *sysvipc_find_ipc(struct ipc_ids *ids, loff_t pos,
total++;
}
*new_pos = pos + 1;
if (total >= ids->in_use)
return NULL;
for (; pos < IPCMNI; pos++) {
ipc = idr_find(&ids->ipcs_idr, pos);
if (ipc != NULL) {
*new_pos = pos + 1;
rcu_read_lock();
ipc_lock_object(ipc);
return ipc;

3
kernel/audit.c
View File

@ -1292,6 +1292,9 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
case AUDIT_FIRST_USER_MSG2 ... AUDIT_LAST_USER_MSG2:
if (!audit_enabled && msg_type != AUDIT_USER_AVC)
return 0;
/* exit early if there isn't at least one character to print */
if (data_len < 2)
return -EINVAL;
err = audit_filter(msg_type, AUDIT_FILTER_USER);
if (err == 1) { /* match or error */

22
kernel/events/core.c
View File

@ -6119,9 +6119,12 @@ static u64 perf_virt_to_phys(u64 virt)
* Try IRQ-safe __get_user_pages_fast first.
* If failed, leave phys_addr as 0.
*/
if ((current->mm != NULL) &&
(__get_user_pages_fast(virt, 1, 0, &p) == 1))
phys_addr = page_to_phys(p) + virt % PAGE_SIZE;
if (current->mm != NULL) {
pagefault_disable();
if (__get_user_pages_fast(virt, 1, 0, &p) == 1)
phys_addr = page_to_phys(p) + virt % PAGE_SIZE;
pagefault_enable();
}
if (p)
put_page(p);
@ -6607,10 +6610,17 @@ static void perf_event_task_output(struct perf_event *event,
goto out;
task_event->event_id.pid = perf_event_pid(event, task);
task_event->event_id.ppid = perf_event_pid(event, current);
task_event->event_id.tid = perf_event_tid(event, task);
task_event->event_id.ptid = perf_event_tid(event, current);
if (task_event->event_id.header.type == PERF_RECORD_EXIT) {
task_event->event_id.ppid = perf_event_pid(event,
task->real_parent);
task_event->event_id.ptid = perf_event_pid(event,
task->real_parent);
} else { /* PERF_RECORD_FORK */
task_event->event_id.ppid = perf_event_pid(event, current);
task_event->event_id.ptid = perf_event_tid(event, current);
}
task_event->event_id.time = perf_event_clock(event);

2
kernel/gcov/fs.c
View File

@ -109,9 +109,9 @@ static void *gcov_seq_next(struct seq_file *seq, void *data, loff_t *pos)
{
struct gcov_iterator *iter = data;
(*pos)++;
if (gcov_iter_next(iter))
return NULL;
(*pos)++;
return iter;
}

14
mm/hugetlb.c
View File

@ -4745,8 +4745,8 @@ pte_t *huge_pte_offset(struct mm_struct *mm,
{
pgd_t *pgd;
p4d_t *p4d;
pud_t *pud;
pmd_t *pmd;
pud_t *pud, pud_entry;
pmd_t *pmd, pmd_entry;
pgd = pgd_offset(mm, addr);
if (!pgd_present(*pgd))
@ -4756,17 +4756,19 @@ pte_t *huge_pte_offset(struct mm_struct *mm,
return NULL;
pud = pud_offset(p4d, addr);
if (sz != PUD_SIZE && pud_none(*pud))
pud_entry = READ_ONCE(*pud);
if (sz != PUD_SIZE && pud_none(pud_entry))
return NULL;
/* hugepage or swap? */
if (pud_huge(*pud) || !pud_present(*pud))
if (pud_huge(pud_entry) || !pud_present(pud_entry))
return (pte_t *)pud;
pmd = pmd_offset(pud, addr);
if (sz != PMD_SIZE && pmd_none(*pmd))
pmd_entry = READ_ONCE(*pmd);
if (sz != PMD_SIZE && pmd_none(pmd_entry))
return NULL;
/* hugepage or swap? */
if (pmd_huge(*pmd) || !pmd_present(*pmd))
if (pmd_huge(pmd_entry) || !pmd_present(pmd_entry))
return (pte_t *)pmd;
return NULL;

12
mm/ksm.c
View File

@ -2074,8 +2074,16 @@ static void cmp_and_merge_page(struct page *page, struct rmap_item *rmap_item)
down_read(&mm->mmap_sem);
vma = find_mergeable_vma(mm, rmap_item->address);
err = try_to_merge_one_page(vma, page,
ZERO_PAGE(rmap_item->address));
if (vma) {
err = try_to_merge_one_page(vma, page,
ZERO_PAGE(rmap_item->address));
} else {
/*
* If the vma is out of date, we do not need to
* continue.
*/
err = 0;
}
up_read(&mm->mmap_sem);
/*
* In case of failure, the page was not really empty, so we

4
mm/shmem.c
View File

@ -2330,11 +2330,11 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
lru_cache_add_anon(page);
spin_lock(&info->lock);
spin_lock_irq(&info->lock);
info->alloced++;
inode->i_blocks += BLOCKS_PER_PAGE;
shmem_recalc_inode(inode);
spin_unlock(&info->lock);
spin_unlock_irq(&info->lock);
inc_mm_counter(dst_mm, mm_counter_file(page));
page_add_file_rmap(page, false);

3
mm/slub.c
View File

@ -269,8 +269,7 @@ static inline void *get_freepointer(struct kmem_cache *s, void *object)
static void prefetch_freepointer(const struct kmem_cache *s, void *object)
{
if (object)
prefetch(freelist_dereference(s, object + s->offset));
prefetch(object + s->offset);
}
static inline void *get_freepointer_safe(struct kmem_cache *s, void *object)

16
mm/vmalloc.c
View File

@ -31,6 +31,7 @@
#include <linux/compiler.h>
#include <linux/llist.h>
#include <linux/bitops.h>
#include <linux/overflow.h>
#include <linux/uaccess.h>
#include <asm/tlbflush.h>
@ -2246,6 +2247,7 @@ finished:
* @vma: vma to cover
* @uaddr: target user address to start at
* @kaddr: virtual address of vmalloc kernel memory
* @pgoff: offset from @kaddr to start at
* @size: size of map area
*
* Returns: 0 for success, -Exxx on failure
@ -2258,9 +2260,15 @@ finished:
* Similar to remap_pfn_range() (see mm/memory.c)
*/
int remap_vmalloc_range_partial(struct vm_area_struct *vma, unsigned long uaddr,
void *kaddr, unsigned long size)
void *kaddr, unsigned long pgoff,
unsigned long size)
{
struct vm_struct *area;
unsigned long off;
unsigned long end_index;
if (check_shl_overflow(pgoff, PAGE_SHIFT, &off))
return -EINVAL;
size = PAGE_ALIGN(size);
@ -2274,8 +2282,10 @@ int remap_vmalloc_range_partial(struct vm_area_struct *vma, unsigned long uaddr,
if (!(area->flags & VM_USERMAP))
return -EINVAL;
if (kaddr + size > area->addr + get_vm_area_size(area))
if (check_add_overflow(size, off, &end_index) ||
end_index > get_vm_area_size(area))
return -EINVAL;
kaddr += off;
do {
struct page *page = vmalloc_to_page(kaddr);
@ -2314,7 +2324,7 @@ int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
unsigned long pgoff)
{
return remap_vmalloc_range_partial(vma, vma->vm_start,
addr + (pgoff << PAGE_SHIFT),
addr, pgoff,
vma->vm_end - vma->vm_start);
}
EXPORT_SYMBOL(remap_vmalloc_range);

Some files were not shown because too many files have changed in this diff Show More